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Finding the Fourth Proportional to 14,766.74, 20,373.54 and 9,729.18

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Solution

The fourth proportional to 14,766.74, 20,373.54 and 9,729.18 is: 13,423.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,766.74 : 20,373.54 = 9,729.18 : x
  2. Step 2: Convert to fraction form
    14,766.74/20,373.54 = 9,729.18/x
  3. Step 3: Cross multiply
    14,766.74x = 20,373.54 × 9,729.18
  4. Step 4: Simplify right side
    14,766.74x = 198,217,837.90
  5. Step 5: Solve for x
    x = 198,217,837.90/14,766.74
  6. Step 6: Final answer
    x = 13,423.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.