Home / 15,555.72-23,332.62-6,321.48

Finding the Fourth Proportional to 15,555.72, 23,332.62 and 6,321.48

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Solution

The fourth proportional to 15,555.72, 23,332.62 and 6,321.48 is: 9,481.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,555.72 : 23,332.62 = 6,321.48 : x
  2. Step 2: Convert to fraction form
    15,555.72/23,332.62 = 6,321.48/x
  3. Step 3: Cross multiply
    15,555.72x = 23,332.62 × 6,321.48
  4. Step 4: Simplify right side
    15,555.72x = 147,496,690.68
  5. Step 5: Solve for x
    x = 147,496,690.68/15,555.72
  6. Step 6: Final answer
    x = 9,481.83

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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.