Home / 22,802.12-31,472.17-13,373.72

Finding the Fourth Proportional to 22,802.12, 31,472.17 and 13,373.72

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Solution

The fourth proportional to 22,802.12, 31,472.17 and 13,373.72 is: 18,458.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,802.12 : 31,472.17 = 13,373.72 : x
  2. Step 2: Convert to fraction form
    22,802.12/31,472.17 = 13,373.72/x
  3. Step 3: Cross multiply
    22,802.12x = 31,472.17 × 13,373.72
  4. Step 4: Simplify right side
    22,802.12x = 420,899,798.58
  5. Step 5: Solve for x
    x = 420,899,798.58/22,802.12
  6. Step 6: Final answer
    x = 18,458.81

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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.