Home / 17,879.26-24,672.68-9,920.92

Finding the Fourth Proportional to 17,879.26, 24,672.68 and 9,920.92

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Solution

The fourth proportional to 17,879.26, 24,672.68 and 9,920.92 is: 13,690.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,879.26 : 24,672.68 = 9,920.92 : x
  2. Step 2: Convert to fraction form
    17,879.26/24,672.68 = 9,920.92/x
  3. Step 3: Cross multiply
    17,879.26x = 24,672.68 × 9,920.92
  4. Step 4: Simplify right side
    17,879.26x = 244,775,684.47
  5. Step 5: Solve for x
    x = 244,775,684.47/17,879.26
  6. Step 6: Final answer
    x = 13,690.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.