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Finding the Fourth Proportional to 15,921.76, 24,010.04 and 15,702.88

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Solution

The fourth proportional to 15,921.76, 24,010.04 and 15,702.88 is: 23,679.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,921.76 : 24,010.04 = 15,702.88 : x
  2. Step 2: Convert to fraction form
    15,921.76/24,010.04 = 15,702.88/x
  3. Step 3: Cross multiply
    15,921.76x = 24,010.04 × 15,702.88
  4. Step 4: Simplify right side
    15,921.76x = 377,026,776.92
  5. Step 5: Solve for x
    x = 377,026,776.92/15,921.76
  6. Step 6: Final answer
    x = 23,679.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.