Home / 23,174.20-31,963.41-15,213.52

Finding the Fourth Proportional to 23,174.20, 31,963.41 and 15,213.52

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Solution

The fourth proportional to 23,174.20, 31,963.41 and 15,213.52 is: 20,983.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,174.20 : 31,963.41 = 15,213.52 : x
  2. Step 2: Convert to fraction form
    23,174.20/31,963.41 = 15,213.52/x
  3. Step 3: Cross multiply
    23,174.20x = 31,963.41 × 15,213.52
  4. Step 4: Simplify right side
    23,174.20x = 486,275,977.30
  5. Step 5: Solve for x
    x = 486,275,977.30/23,174.20
  6. Step 6: Final answer
    x = 20,983.51

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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.