Home / 26,511.37-39,766.84-6,789.90

Finding the Fourth Proportional to 26,511.37, 39,766.84 and 6,789.90

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Solution

The fourth proportional to 26,511.37, 39,766.84 and 6,789.90 is: 10,184.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,511.37 : 39,766.84 = 6,789.90 : x
  2. Step 2: Convert to fraction form
    26,511.37/39,766.84 = 6,789.90/x
  3. Step 3: Cross multiply
    26,511.37x = 39,766.84 × 6,789.90
  4. Step 4: Simplify right side
    26,511.37x = 270,012,866.92
  5. Step 5: Solve for x
    x = 270,012,866.92/26,511.37
  6. Step 6: Final answer
    x = 10,184.79

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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.