Home / 22,677.87-31,302.15-13,248.66

Finding the Fourth Proportional to 22,677.87, 31,302.15 and 13,248.66

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Solution

The fourth proportional to 22,677.87, 31,302.15 and 13,248.66 is: 18,287.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,677.87 : 31,302.15 = 13,248.66 : x
  2. Step 2: Convert to fraction form
    22,677.87/31,302.15 = 13,248.66/x
  3. Step 3: Cross multiply
    22,677.87x = 31,302.15 × 13,248.66
  4. Step 4: Simplify right side
    22,677.87x = 414,711,542.62
  5. Step 5: Solve for x
    x = 414,711,542.62/22,677.87
  6. Step 6: Final answer
    x = 18,287.06

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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.