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Finding the Fourth Proportional to 18,016.53, 24,863.64 and 9,951.31

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Solution

The fourth proportional to 18,016.53, 24,863.64 and 9,951.31 is: 13,733.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,016.53 : 24,863.64 = 9,951.31 : x
  2. Step 2: Convert to fraction form
    18,016.53/24,863.64 = 9,951.31/x
  3. Step 3: Cross multiply
    18,016.53x = 24,863.64 × 9,951.31
  4. Step 4: Simplify right side
    18,016.53x = 247,425,699.25
  5. Step 5: Solve for x
    x = 247,425,699.25/18,016.53
  6. Step 6: Final answer
    x = 13,733.26

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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.