Home / 15,447.60-23,171.21-3,760.92

Finding the Fourth Proportional to 15,447.60, 23,171.21 and 3,760.92

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Solution

The fourth proportional to 15,447.60, 23,171.21 and 3,760.92 is: 5,641.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,447.60 : 23,171.21 = 3,760.92 : x
  2. Step 2: Convert to fraction form
    15,447.60/23,171.21 = 3,760.92/x
  3. Step 3: Cross multiply
    15,447.60x = 23,171.21 × 3,760.92
  4. Step 4: Simplify right side
    15,447.60x = 87,145,067.11
  5. Step 5: Solve for x
    x = 87,145,067.11/15,447.60
  6. Step 6: Final answer
    x = 5,641.33

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1.5x scale

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.