Home / 22,631.29-31,234.91-12,562.95

Finding the Fourth Proportional to 22,631.29, 31,234.91 and 12,562.95

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Solution

The fourth proportional to 22,631.29, 31,234.91 and 12,562.95 is: 17,338.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,631.29 : 31,234.91 = 12,562.95 : x
  2. Step 2: Convert to fraction form
    22,631.29/31,234.91 = 12,562.95/x
  3. Step 3: Cross multiply
    22,631.29x = 31,234.91 × 12,562.95
  4. Step 4: Simplify right side
    22,631.29x = 392,402,612.58
  5. Step 5: Solve for x
    x = 392,402,612.58/22,631.29
  6. Step 6: Final answer
    x = 17,338.94

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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.