Home / 17,879.28-24,673.02-9,921.02

Finding the Fourth Proportional to 17,879.28, 24,673.02 and 9,921.02

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Solution

The fourth proportional to 17,879.28, 24,673.02 and 9,921.02 is: 13,690.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,879.28 : 24,673.02 = 9,921.02 : x
  2. Step 2: Convert to fraction form
    17,879.28/24,673.02 = 9,921.02/x
  3. Step 3: Cross multiply
    17,879.28x = 24,673.02 × 9,921.02
  4. Step 4: Simplify right side
    17,879.28x = 244,781,524.88
  5. Step 5: Solve for x
    x = 244,781,524.88/17,879.28
  6. Step 6: Final answer
    x = 13,690.79

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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.