Home / 22,366.13-30,864.11-13,411.89

Finding the Fourth Proportional to 22,366.13, 30,864.11 and 13,411.89

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Solution

The fourth proportional to 22,366.13, 30,864.11 and 13,411.89 is: 18,507.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,366.13 : 30,864.11 = 13,411.89 : x
  2. Step 2: Convert to fraction form
    22,366.13/30,864.11 = 13,411.89/x
  3. Step 3: Cross multiply
    22,366.13x = 30,864.11 × 13,411.89
  4. Step 4: Simplify right side
    22,366.13x = 413,945,981.21
  5. Step 5: Solve for x
    x = 413,945,981.21/22,366.13
  6. Step 6: Final answer
    x = 18,507.72

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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.