Home / 17,879.24-24,670.68-9,921.44

Finding the Fourth Proportional to 17,879.24, 24,670.68 and 9,921.44

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Solution

The fourth proportional to 17,879.24, 24,670.68 and 9,921.44 is: 13,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,879.24 : 24,670.68 = 9,921.44 : x
  2. Step 2: Convert to fraction form
    17,879.24/24,670.68 = 9,921.44/x
  3. Step 3: Cross multiply
    17,879.24x = 24,670.68 × 9,921.44
  4. Step 4: Simplify right side
    17,879.24x = 244,768,671.38
  5. Step 5: Solve for x
    x = 244,768,671.38/17,879.24
  6. Step 6: Final answer
    x = 13,690.10

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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.