Home / 15,131.76-22,698.24-5,272.02

Finding the Fourth Proportional to 15,131.76, 22,698.24 and 5,272.02

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Solution

The fourth proportional to 15,131.76, 22,698.24 and 5,272.02 is: 7,908.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,131.76 : 22,698.24 = 5,272.02 : x
  2. Step 2: Convert to fraction form
    15,131.76/22,698.24 = 5,272.02/x
  3. Step 3: Cross multiply
    15,131.76x = 22,698.24 × 5,272.02
  4. Step 4: Simplify right side
    15,131.76x = 119,665,575.24
  5. Step 5: Solve for x
    x = 119,665,575.24/15,131.76
  6. Step 6: Final answer
    x = 7,908.24

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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.