Home / 15,319.60-22,979.32-5,459.24

Finding the Fourth Proportional to 15,319.60, 22,979.32 and 5,459.24

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Solution

The fourth proportional to 15,319.60, 22,979.32 and 5,459.24 is: 8,188.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,319.60 : 22,979.32 = 5,459.24 : x
  2. Step 2: Convert to fraction form
    15,319.60/22,979.32 = 5,459.24/x
  3. Step 3: Cross multiply
    15,319.60x = 22,979.32 × 5,459.24
  4. Step 4: Simplify right side
    15,319.60x = 125,449,622.92
  5. Step 5: Solve for x
    x = 125,449,622.92/15,319.60
  6. Step 6: Final answer
    x = 8,188.83

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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.