2121.82 is what percent of 12917.57 - step by step solution

To get the solution, we are looking for, we need to point out what we know.

1. We assume, that the number 12917.57 is 100% - because it's the output value of the task.
2. We assume, that x is the value we are looking for.
3. If 100% equals 12917.57, so we can write it down as 100%=12917.57.
4. We know, that x% equals 2121.82 of the output value, so we can write it down as x%=2121.82.
5. Now we have two simple equations:
1) 100%=12917.57
2) x%=2121.82
where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
100%/x%=12917.57/2121.82
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for 2121.82 is what percent of 12917.57

100%/x%=12917.57/2121.82
(100/x)*x=(12917.57/2121.82)*x       - we multiply both sides of the equation by x
100=6.0879669340472*x       - we divide both sides of the equation by (6.0879669340472) to get x
100/6.0879669340472=x
16.425844798983=x
x=16.425844798983

now we have:
2121.82 is 16.425844798983% of 12917.57