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Finding the Fourth Proportional to 16,487.74, 24,709.74 and 14,286.16

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Solution

The fourth proportional to 16,487.74, 24,709.74 and 14,286.16 is: 21,410.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,487.74 : 24,709.74 = 14,286.16 : x
  2. Step 2: Convert to fraction form
    16,487.74/24,709.74 = 14,286.16/x
  3. Step 3: Cross multiply
    16,487.74x = 24,709.74 × 14,286.16
  4. Step 4: Simplify right side
    16,487.74x = 353,007,299.20
  5. Step 5: Solve for x
    x = 353,007,299.20/16,487.74
  6. Step 6: Final answer
    x = 21,410.29

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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.