Home / 15,179.14-22,768.91-5,318.69

Finding the Fourth Proportional to 15,179.14, 22,768.91 and 5,318.69

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Solution

The fourth proportional to 15,179.14, 22,768.91 and 5,318.69 is: 7,978.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,179.14 : 22,768.91 = 5,318.69 : x
  2. Step 2: Convert to fraction form
    15,179.14/22,768.91 = 5,318.69/x
  3. Step 3: Cross multiply
    15,179.14x = 22,768.91 × 5,318.69
  4. Step 4: Simplify right side
    15,179.14x = 121,100,747.33
  5. Step 5: Solve for x
    x = 121,100,747.33/15,179.14
  6. Step 6: Final answer
    x = 7,978.11

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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.