Home / 26,507.85-39,761.74-6,786.37

Finding the Fourth Proportional to 26,507.85, 39,761.74 and 6,786.37

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Solution

The fourth proportional to 26,507.85, 39,761.74 and 6,786.37 is: 10,179.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,507.85 : 39,761.74 = 6,786.37 : x
  2. Step 2: Convert to fraction form
    26,507.85/39,761.74 = 6,786.37/x
  3. Step 3: Cross multiply
    26,507.85x = 39,761.74 × 6,786.37
  4. Step 4: Simplify right side
    26,507.85x = 269,837,879.48
  5. Step 5: Solve for x
    x = 269,837,879.48/26,507.85
  6. Step 6: Final answer
    x = 10,179.55

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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.