Home / 16,879.17-25,319.17-5,785.79

Finding the Fourth Proportional to 16,879.17, 25,319.17 and 5,785.79

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Solution

The fourth proportional to 16,879.17, 25,319.17 and 5,785.79 is: 8,678.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,879.17 : 25,319.17 = 5,785.79 : x
  2. Step 2: Convert to fraction form
    16,879.17/25,319.17 = 5,785.79/x
  3. Step 3: Cross multiply
    16,879.17x = 25,319.17 × 5,785.79
  4. Step 4: Simplify right side
    16,879.17x = 146,491,400.59
  5. Step 5: Solve for x
    x = 146,491,400.59/16,879.17
  6. Step 6: Final answer
    x = 8,678.83

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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.