Home / 15,179.16-22,771.98-5,319.04

Finding the Fourth Proportional to 15,179.16, 22,771.98 and 5,319.04

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Solution

The fourth proportional to 15,179.16, 22,771.98 and 5,319.04 is: 7,979.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,179.16 : 22,771.98 = 5,319.04 : x
  2. Step 2: Convert to fraction form
    15,179.16/22,771.98 = 5,319.04/x
  3. Step 3: Cross multiply
    15,179.16x = 22,771.98 × 5,319.04
  4. Step 4: Simplify right side
    15,179.16x = 121,125,072.50
  5. Step 5: Solve for x
    x = 121,125,072.50/15,179.16
  6. Step 6: Final answer
    x = 7,979.70

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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.