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Finding the Fourth Proportional to 18,097.78, 24,949.47 and 14,899.90

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Solution

The fourth proportional to 18,097.78, 24,949.47 and 14,899.90 is: 20,540.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,097.78 : 24,949.47 = 14,899.90 : x
  2. Step 2: Convert to fraction form
    18,097.78/24,949.47 = 14,899.90/x
  3. Step 3: Cross multiply
    18,097.78x = 24,949.47 × 14,899.90
  4. Step 4: Simplify right side
    18,097.78x = 371,744,608.05
  5. Step 5: Solve for x
    x = 371,744,608.05/18,097.78
  6. Step 6: Final answer
    x = 20,540.90

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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.