Home / 26,141.13-39,189.64-11,338.90

Finding the Fourth Proportional to 26,141.13, 39,189.64 and 11,338.90

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Solution

The fourth proportional to 26,141.13, 39,189.64 and 11,338.90 is: 16,998.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,141.13 : 39,189.64 = 11,338.90 : x
  2. Step 2: Convert to fraction form
    26,141.13/39,189.64 = 11,338.90/x
  3. Step 3: Cross multiply
    26,141.13x = 39,189.64 × 11,338.90
  4. Step 4: Simplify right side
    26,141.13x = 444,367,213.05
  5. Step 5: Solve for x
    x = 444,367,213.05/26,141.13
  6. Step 6: Final answer
    x = 16,998.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.