Home / 23,629.76-35,449.68-11,789.90

Finding the Fourth Proportional to 23,629.76, 35,449.68 and 11,789.90

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Solution

The fourth proportional to 23,629.76, 35,449.68 and 11,789.90 is: 17,687.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,629.76 : 35,449.68 = 11,789.90 : x
  2. Step 2: Convert to fraction form
    23,629.76/35,449.68 = 11,789.90/x
  3. Step 3: Cross multiply
    23,629.76x = 35,449.68 × 11,789.90
  4. Step 4: Simplify right side
    23,629.76x = 417,948,182.23
  5. Step 5: Solve for x
    x = 417,948,182.23/23,629.76
  6. Step 6: Final answer
    x = 17,687.36

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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.