Home / 16,879.67-25,319.92-5,786.29

Finding the Fourth Proportional to 16,879.67, 25,319.92 and 5,786.29

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Solution

The fourth proportional to 16,879.67, 25,319.92 and 5,786.29 is: 8,679.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,879.67 : 25,319.92 = 5,786.29 : x
  2. Step 2: Convert to fraction form
    16,879.67/25,319.92 = 5,786.29/x
  3. Step 3: Cross multiply
    16,879.67x = 25,319.92 × 5,786.29
  4. Step 4: Simplify right side
    16,879.67x = 146,508,399.90
  5. Step 5: Solve for x
    x = 146,508,399.90/16,879.67
  6. Step 6: Final answer
    x = 8,679.58

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1.5x scale

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.