Home / 23,000.20-31,731.96-15,046.96

Finding the Fourth Proportional to 23,000.20, 31,731.96 and 15,046.96

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Solution

The fourth proportional to 23,000.20, 31,731.96 and 15,046.96 is: 20,759.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,000.20 : 31,731.96 = 15,046.96 : x
  2. Step 2: Convert to fraction form
    23,000.20/31,731.96 = 15,046.96/x
  3. Step 3: Cross multiply
    23,000.20x = 31,731.96 × 15,046.96
  4. Step 4: Simplify right side
    23,000.20x = 477,469,532.84
  5. Step 5: Solve for x
    x = 477,469,532.84/23,000.20
  6. Step 6: Final answer
    x = 20,759.36

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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.