Home / 26,508.12-39,761.91-6,786.60

Finding the Fourth Proportional to 26,508.12, 39,761.91 and 6,786.60

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Solution

The fourth proportional to 26,508.12, 39,761.91 and 6,786.60 is: 10,179.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,508.12 : 39,761.91 = 6,786.60 : x
  2. Step 2: Convert to fraction form
    26,508.12/39,761.91 = 6,786.60/x
  3. Step 3: Cross multiply
    26,508.12x = 39,761.91 × 6,786.60
  4. Step 4: Simplify right side
    26,508.12x = 269,848,178.41
  5. Step 5: Solve for x
    x = 269,848,178.41/26,508.12
  6. Step 6: Final answer
    x = 10,179.83

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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.