Home / 18,115.11-24,998.54-10,157.31

Finding the Fourth Proportional to 18,115.11, 24,998.54 and 10,157.31

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Solution

The fourth proportional to 18,115.11, 24,998.54 and 10,157.31 is: 14,016.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,115.11 : 24,998.54 = 10,157.31 : x
  2. Step 2: Convert to fraction form
    18,115.11/24,998.54 = 10,157.31/x
  3. Step 3: Cross multiply
    18,115.11x = 24,998.54 × 10,157.31
  4. Step 4: Simplify right side
    18,115.11x = 253,917,869.54
  5. Step 5: Solve for x
    x = 253,917,869.54/18,115.11
  6. Step 6: Final answer
    x = 14,016.91

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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.