Home / 23,702.28-32,680.98-15,731.88

Finding the Fourth Proportional to 23,702.28, 32,680.98 and 15,731.88

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Solution

The fourth proportional to 23,702.28, 32,680.98 and 15,731.88 is: 21,691.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,702.28 : 32,680.98 = 15,731.88 : x
  2. Step 2: Convert to fraction form
    23,702.28/32,680.98 = 15,731.88/x
  3. Step 3: Cross multiply
    23,702.28x = 32,680.98 × 15,731.88
  4. Step 4: Simplify right side
    23,702.28x = 514,133,255.64
  5. Step 5: Solve for x
    x = 514,133,255.64/23,702.28
  6. Step 6: Final answer
    x = 21,691.30

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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.