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Finding the Fourth Proportional to 16,539.10, 24,817.16 and 9,142.18

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Solution

The fourth proportional to 16,539.10, 24,817.16 and 9,142.18 is: 13,717.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,539.10 : 24,817.16 = 9,142.18 : x
  2. Step 2: Convert to fraction form
    16,539.10/24,817.16 = 9,142.18/x
  3. Step 3: Cross multiply
    16,539.10x = 24,817.16 × 9,142.18
  4. Step 4: Simplify right side
    16,539.10x = 226,882,943.81
  5. Step 5: Solve for x
    x = 226,882,943.81/16,539.10
  6. Step 6: Final answer
    x = 13,717.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.