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Finding the Fourth Proportional to 18,096.76, 24,979.31 and 11,293.98

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Solution

The fourth proportional to 18,096.76, 24,979.31 and 11,293.98 is: 15,589.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,096.76 : 24,979.31 = 11,293.98 : x
  2. Step 2: Convert to fraction form
    18,096.76/24,979.31 = 11,293.98/x
  3. Step 3: Cross multiply
    18,096.76x = 24,979.31 × 11,293.98
  4. Step 4: Simplify right side
    18,096.76x = 282,115,702.66
  5. Step 5: Solve for x
    x = 282,115,702.66/18,096.76
  6. Step 6: Final answer
    x = 15,589.29

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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.