Home / 17,724.38-24,433.85-12,679.85

Finding the Fourth Proportional to 17,724.38, 24,433.85 and 12,679.85

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Solution

The fourth proportional to 17,724.38, 24,433.85 and 12,679.85 is: 17,479.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,724.38 : 24,433.85 = 12,679.85 : x
  2. Step 2: Convert to fraction form
    17,724.38/24,433.85 = 12,679.85/x
  3. Step 3: Cross multiply
    17,724.38x = 24,433.85 × 12,679.85
  4. Step 4: Simplify right side
    17,724.38x = 309,817,645.71
  5. Step 5: Solve for x
    x = 309,817,645.71/17,724.38
  6. Step 6: Final answer
    x = 17,479.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.