Home / 23,127.46-31,882.52-15,155.85

Finding the Fourth Proportional to 23,127.46, 31,882.52 and 15,155.85

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Solution

The fourth proportional to 23,127.46, 31,882.52 and 15,155.85 is: 20,893.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,127.46 : 31,882.52 = 15,155.85 : x
  2. Step 2: Convert to fraction form
    23,127.46/31,882.52 = 15,155.85/x
  3. Step 3: Cross multiply
    23,127.46x = 31,882.52 × 15,155.85
  4. Step 4: Simplify right side
    23,127.46x = 483,206,690.74
  5. Step 5: Solve for x
    x = 483,206,690.74/23,127.46
  6. Step 6: Final answer
    x = 20,893.20

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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.