Home / 23,679.66-32,648.38-15,167.78

Finding the Fourth Proportional to 23,679.66, 32,648.38 and 15,167.78

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Solution

The fourth proportional to 23,679.66, 32,648.38 and 15,167.78 is: 20,912.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,679.66 : 32,648.38 = 15,167.78 : x
  2. Step 2: Convert to fraction form
    23,679.66/32,648.38 = 15,167.78/x
  3. Step 3: Cross multiply
    23,679.66x = 32,648.38 × 15,167.78
  4. Step 4: Simplify right side
    23,679.66x = 495,203,488.90
  5. Step 5: Solve for x
    x = 495,203,488.90/23,679.66
  6. Step 6: Final answer
    x = 20,912.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.