Home / 15,129.72-22,697.01-6,367.14

Finding the Fourth Proportional to 15,129.72, 22,697.01 and 6,367.14

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Solution

The fourth proportional to 15,129.72, 22,697.01 and 6,367.14 is: 9,551.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,129.72 : 22,697.01 = 6,367.14 : x
  2. Step 2: Convert to fraction form
    15,129.72/22,697.01 = 6,367.14/x
  3. Step 3: Cross multiply
    15,129.72x = 22,697.01 × 6,367.14
  4. Step 4: Simplify right side
    15,129.72x = 144,515,040.25
  5. Step 5: Solve for x
    x = 144,515,040.25/15,129.72
  6. Step 6: Final answer
    x = 9,551.73

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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.