Home / 26,140.50-39,188.70-11,338.27

Finding the Fourth Proportional to 26,140.50, 39,188.70 and 11,338.27

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Solution

The fourth proportional to 26,140.50, 39,188.70 and 11,338.27 is: 16,997.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,140.50 : 39,188.70 = 11,338.27 : x
  2. Step 2: Convert to fraction form
    26,140.50/39,188.70 = 11,338.27/x
  3. Step 3: Cross multiply
    26,140.50x = 39,188.70 × 11,338.27
  4. Step 4: Simplify right side
    26,140.50x = 444,332,105.68
  5. Step 5: Solve for x
    x = 444,332,105.68/26,140.50
  6. Step 6: Final answer
    x = 16,997.84

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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.