Home / 15,835.80-23,754.92-5,305.86

Finding the Fourth Proportional to 15,835.80, 23,754.92 and 5,305.86

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Solution

The fourth proportional to 15,835.80, 23,754.92 and 5,305.86 is: 7,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,835.80 : 23,754.92 = 5,305.86 : x
  2. Step 2: Convert to fraction form
    15,835.80/23,754.92 = 5,305.86/x
  3. Step 3: Cross multiply
    15,835.80x = 23,754.92 × 5,305.86
  4. Step 4: Simplify right side
    15,835.80x = 126,040,279.83
  5. Step 5: Solve for x
    x = 126,040,279.83/15,835.80
  6. Step 6: Final answer
    x = 7,959.20

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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.