Home / 15,145.30-22,716.87-4,760.02

Finding the Fourth Proportional to 15,145.30, 22,716.87 and 4,760.02

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Solution

The fourth proportional to 15,145.30, 22,716.87 and 4,760.02 is: 7,139.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,145.30 : 22,716.87 = 4,760.02 : x
  2. Step 2: Convert to fraction form
    15,145.30/22,716.87 = 4,760.02/x
  3. Step 3: Cross multiply
    15,145.30x = 22,716.87 × 4,760.02
  4. Step 4: Simplify right side
    15,145.30x = 108,132,755.54
  5. Step 5: Solve for x
    x = 108,132,755.54/15,145.30
  6. Step 6: Final answer
    x = 7,139.69

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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.