Home / 22,713.43-31,337.94-13,156.24

Finding the Fourth Proportional to 22,713.43, 31,337.94 and 13,156.24

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Solution

The fourth proportional to 22,713.43, 31,337.94 and 13,156.24 is: 18,151.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,713.43 : 31,337.94 = 13,156.24 : x
  2. Step 2: Convert to fraction form
    22,713.43/31,337.94 = 13,156.24/x
  3. Step 3: Cross multiply
    22,713.43x = 31,337.94 × 13,156.24
  4. Step 4: Simplify right side
    22,713.43x = 412,289,459.75
  5. Step 5: Solve for x
    x = 412,289,459.75/22,713.43
  6. Step 6: Final answer
    x = 18,151.79

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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.