Home / 18,115.29-24,997.41-10,155.83

Finding the Fourth Proportional to 18,115.29, 24,997.41 and 10,155.83

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Solution

The fourth proportional to 18,115.29, 24,997.41 and 10,155.83 is: 14,014.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,115.29 : 24,997.41 = 10,155.83 : x
  2. Step 2: Convert to fraction form
    18,115.29/24,997.41 = 10,155.83/x
  3. Step 3: Cross multiply
    18,115.29x = 24,997.41 × 10,155.83
  4. Step 4: Simplify right side
    18,115.29x = 253,869,321.41
  5. Step 5: Solve for x
    x = 253,869,321.41/18,115.29
  6. Step 6: Final answer
    x = 14,014.09

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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.