Home / 26,140.36-39,188.49-11,338.13

Finding the Fourth Proportional to 26,140.36, 39,188.49 and 11,338.13

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Solution

The fourth proportional to 26,140.36, 39,188.49 and 11,338.13 is: 16,997.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,140.36 : 39,188.49 = 11,338.13 : x
  2. Step 2: Convert to fraction form
    26,140.36/39,188.49 = 11,338.13/x
  3. Step 3: Cross multiply
    26,140.36x = 39,188.49 × 11,338.13
  4. Step 4: Simplify right side
    26,140.36x = 444,324,092.92
  5. Step 5: Solve for x
    x = 444,324,092.92/26,140.36
  6. Step 6: Final answer
    x = 16,997.63

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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.