Home / 16,451.11-24,687.60-7,686.71

Finding the Fourth Proportional to 16,451.11, 24,687.60 and 7,686.71

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Solution

The fourth proportional to 16,451.11, 24,687.60 and 7,686.71 is: 11,535.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,451.11 : 24,687.60 = 7,686.71 : x
  2. Step 2: Convert to fraction form
    16,451.11/24,687.60 = 7,686.71/x
  3. Step 3: Cross multiply
    16,451.11x = 24,687.60 × 7,686.71
  4. Step 4: Simplify right side
    16,451.11x = 189,766,421.80
  5. Step 5: Solve for x
    x = 189,766,421.80/16,451.11
  6. Step 6: Final answer
    x = 11,535.17

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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.