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Finding the Fourth Proportional to 16,231.40, 24,332.70 and 10,687.40

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Solution

The fourth proportional to 16,231.40, 24,332.70 and 10,687.40 is: 16,021.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,231.40 : 24,332.70 = 10,687.40 : x
  2. Step 2: Convert to fraction form
    16,231.40/24,332.70 = 10,687.40/x
  3. Step 3: Cross multiply
    16,231.40x = 24,332.70 × 10,687.40
  4. Step 4: Simplify right side
    16,231.40x = 260,053,297.98
  5. Step 5: Solve for x
    x = 260,053,297.98/16,231.40
  6. Step 6: Final answer
    x = 16,021.62

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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.