Home / 23,127.41-31,915.92-12,517.04

Finding the Fourth Proportional to 23,127.41, 31,915.92 and 12,517.04

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Solution

The fourth proportional to 23,127.41, 31,915.92 and 12,517.04 is: 17,273.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,127.41 : 31,915.92 = 12,517.04 : x
  2. Step 2: Convert to fraction form
    23,127.41/31,915.92 = 12,517.04/x
  3. Step 3: Cross multiply
    23,127.41x = 31,915.92 × 12,517.04
  4. Step 4: Simplify right side
    23,127.41x = 399,492,687.70
  5. Step 5: Solve for x
    x = 399,492,687.70/23,127.41
  6. Step 6: Final answer
    x = 17,273.56

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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.