Home / 22,837.11-31,517.51-13,279.92

Finding the Fourth Proportional to 22,837.11, 31,517.51 and 13,279.92

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Solution

The fourth proportional to 22,837.11, 31,517.51 and 13,279.92 is: 18,327.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,837.11 : 31,517.51 = 13,279.92 : x
  2. Step 2: Convert to fraction form
    22,837.11/31,517.51 = 13,279.92/x
  3. Step 3: Cross multiply
    22,837.11x = 31,517.51 × 13,279.92
  4. Step 4: Simplify right side
    22,837.11x = 418,549,945.00
  5. Step 5: Solve for x
    x = 418,549,945.00/22,837.11
  6. Step 6: Final answer
    x = 18,327.62

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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.