Home / 22,724.20-34,081-8,679.12

Finding the Fourth Proportional to 22,724.20, 34,081 and 8,679.12

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Solution

The fourth proportional to 22,724.20, 34,081 and 8,679.12 is: 13,016.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,724.20 : 34,081 = 8,679.12 : x
  2. Step 2: Convert to fraction form
    22,724.20/34,081 = 8,679.12/x
  3. Step 3: Cross multiply
    22,724.20x = 34,081 × 8,679.12
  4. Step 4: Simplify right side
    22,724.20x = 295,793,088.72
  5. Step 5: Solve for x
    x = 295,793,088.72/22,724.20
  6. Step 6: Final answer
    x = 13,016.66

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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.