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Finding the Fourth Proportional to 18,100.62, 24,945.03 and 14,115.42

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Solution

The fourth proportional to 18,100.62, 24,945.03 and 14,115.42 is: 19,452.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100.62 : 24,945.03 = 14,115.42 : x
  2. Step 2: Convert to fraction form
    18,100.62/24,945.03 = 14,115.42/x
  3. Step 3: Cross multiply
    18,100.62x = 24,945.03 × 14,115.42
  4. Step 4: Simplify right side
    18,100.62x = 352,109,575.36
  5. Step 5: Solve for x
    x = 352,109,575.36/18,100.62
  6. Step 6: Final answer
    x = 19,452.90

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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.