Home / 15,629.52-23,437.19-6,740.65

Finding the Fourth Proportional to 15,629.52, 23,437.19 and 6,740.65

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Solution

The fourth proportional to 15,629.52, 23,437.19 and 6,740.65 is: 10,107.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,629.52 : 23,437.19 = 6,740.65 : x
  2. Step 2: Convert to fraction form
    15,629.52/23,437.19 = 6,740.65/x
  3. Step 3: Cross multiply
    15,629.52x = 23,437.19 × 6,740.65
  4. Step 4: Simplify right side
    15,629.52x = 157,981,921.96
  5. Step 5: Solve for x
    x = 157,981,921.96/15,629.52
  6. Step 6: Final answer
    x = 10,107.92

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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.