Home / 15,319.92-22,982.04-5,456.28

Finding the Fourth Proportional to 15,319.92, 22,982.04 and 5,456.28

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Solution

The fourth proportional to 15,319.92, 22,982.04 and 5,456.28 is: 8,185.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,319.92 : 22,982.04 = 5,456.28 : x
  2. Step 2: Convert to fraction form
    15,319.92/22,982.04 = 5,456.28/x
  3. Step 3: Cross multiply
    15,319.92x = 22,982.04 × 5,456.28
  4. Step 4: Simplify right side
    15,319.92x = 125,396,445.21
  5. Step 5: Solve for x
    x = 125,396,445.21/15,319.92
  6. Step 6: Final answer
    x = 8,185.19

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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.