Home / 25,622.92-38,424.66-8,979.04

Finding the Fourth Proportional to 25,622.92, 38,424.66 and 8,979.04

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Solution

The fourth proportional to 25,622.92, 38,424.66 and 8,979.04 is: 13,465.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,622.92 : 38,424.66 = 8,979.04 : x
  2. Step 2: Convert to fraction form
    25,622.92/38,424.66 = 8,979.04/x
  3. Step 3: Cross multiply
    25,622.92x = 38,424.66 × 8,979.04
  4. Step 4: Simplify right side
    25,622.92x = 345,016,559.13
  5. Step 5: Solve for x
    x = 345,016,559.13/25,622.92
  6. Step 6: Final answer
    x = 13,465.15

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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.