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Finding the Fourth Proportional to 18,114.92, 24,998.06 and 10,157.48

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Solution

The fourth proportional to 18,114.92, 24,998.06 and 10,157.48 is: 14,017.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,114.92 : 24,998.06 = 10,157.48 : x
  2. Step 2: Convert to fraction form
    18,114.92/24,998.06 = 10,157.48/x
  3. Step 3: Cross multiply
    18,114.92x = 24,998.06 × 10,157.48
  4. Step 4: Simplify right side
    18,114.92x = 253,917,243.70
  5. Step 5: Solve for x
    x = 253,917,243.70/18,114.92
  6. Step 6: Final answer
    x = 14,017.02

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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.