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Finding the Fourth Proportional to 16,489.87, 24,644.28 and 12,056.87

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Solution

The fourth proportional to 16,489.87, 24,644.28 and 12,056.87 is: 18,019.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,489.87 : 24,644.28 = 12,056.87 : x
  2. Step 2: Convert to fraction form
    16,489.87/24,644.28 = 12,056.87/x
  3. Step 3: Cross multiply
    16,489.87x = 24,644.28 × 12,056.87
  4. Step 4: Simplify right side
    16,489.87x = 297,132,756.98
  5. Step 5: Solve for x
    x = 297,132,756.98/16,489.87
  6. Step 6: Final answer
    x = 18,019.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.