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Finding the Fourth Proportional to 13,863.68, 20,795.20 and 9,410.23

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Solution

The fourth proportional to 13,863.68, 20,795.20 and 9,410.23 is: 14,115.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,863.68 : 20,795.20 = 9,410.23 : x
  2. Step 2: Convert to fraction form
    13,863.68/20,795.20 = 9,410.23/x
  3. Step 3: Cross multiply
    13,863.68x = 20,795.20 × 9,410.23
  4. Step 4: Simplify right side
    13,863.68x = 195,687,614.90
  5. Step 5: Solve for x
    x = 195,687,614.90/13,863.68
  6. Step 6: Final answer
    x = 14,115.13

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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.