Home / 16,474.27-22,734.50-8,920.60

Finding the Fourth Proportional to 16,474.27, 22,734.50 and 8,920.60

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Solution

The fourth proportional to 16,474.27, 22,734.50 and 8,920.60 is: 12,310.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,474.27 : 22,734.50 = 8,920.60 : x
  2. Step 2: Convert to fraction form
    16,474.27/22,734.50 = 8,920.60/x
  3. Step 3: Cross multiply
    16,474.27x = 22,734.50 × 8,920.60
  4. Step 4: Simplify right side
    16,474.27x = 202,805,279.26
  5. Step 5: Solve for x
    x = 202,805,279.26/16,474.27
  6. Step 6: Final answer
    x = 12,310.43

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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.