Home / 22,724.50-31,359.81-13,294.90

Finding the Fourth Proportional to 22,724.50, 31,359.81 and 13,294.90

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Solution

The fourth proportional to 22,724.50, 31,359.81 and 13,294.90 is: 18,346.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,724.50 : 31,359.81 = 13,294.90 : x
  2. Step 2: Convert to fraction form
    22,724.50/31,359.81 = 13,294.90/x
  3. Step 3: Cross multiply
    22,724.50x = 31,359.81 × 13,294.90
  4. Step 4: Simplify right side
    22,724.50x = 416,925,537.97
  5. Step 5: Solve for x
    x = 416,925,537.97/22,724.50
  6. Step 6: Final answer
    x = 18,346.96

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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.