| ( | 51621 5 | − | x | ) | ÷ | x | = | - | 19 500 |
| Multiply both sides of the equation by: | x |
| ( | 51621 5 | − | x | ) | = | - | 19 500 | x |
51621 5 | − | x | = | - | 19 500 | x |
| - | x | + | 19 500 | x | = | - | 51621 5 |
| - | 481 500 | x | = | - | 51621 5 |
51621 5 | = | 481 500 | x |
481 500 | x | = | 51621 5 |
| x | = | 51621 5 | ÷ | 481 500 |
| = | 51621 5 | × | 500 481 |
| = | 51621 | × | 100 481 |
| x | = | 5162100 481 |
| x | = | 10732.016632 |