Home / 26,513.12-39,768.75-6,791.85

Finding the Fourth Proportional to 26,513.12, 39,768.75 and 6,791.85

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Solution

The fourth proportional to 26,513.12, 39,768.75 and 6,791.85 is: 10,187.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,513.12 : 39,768.75 = 6,791.85 : x
  2. Step 2: Convert to fraction form
    26,513.12/39,768.75 = 6,791.85/x
  3. Step 3: Cross multiply
    26,513.12x = 39,768.75 × 6,791.85
  4. Step 4: Simplify right side
    26,513.12x = 270,103,384.69
  5. Step 5: Solve for x
    x = 270,103,384.69/26,513.12
  6. Step 6: Final answer
    x = 10,187.54

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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.