Home / 19,713.57-27,205.25-12,057.99

Finding the Fourth Proportional to 19,713.57, 27,205.25 and 12,057.99

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Solution

The fourth proportional to 19,713.57, 27,205.25 and 12,057.99 is: 16,640.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,713.57 : 27,205.25 = 12,057.99 : x
  2. Step 2: Convert to fraction form
    19,713.57/27,205.25 = 12,057.99/x
  3. Step 3: Cross multiply
    19,713.57x = 27,205.25 × 12,057.99
  4. Step 4: Simplify right side
    19,713.57x = 328,040,572.16
  5. Step 5: Solve for x
    x = 328,040,572.16/19,713.57
  6. Step 6: Final answer
    x = 16,640.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.