Home / 23,581.38-35,372.46-18,879.60

Finding the Fourth Proportional to 23,581.38, 35,372.46 and 18,879.60

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Solution

The fourth proportional to 23,581.38, 35,372.46 and 18,879.60 is: 28,319.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,581.38 : 35,372.46 = 18,879.60 : x
  2. Step 2: Convert to fraction form
    23,581.38/35,372.46 = 18,879.60/x
  3. Step 3: Cross multiply
    23,581.38x = 35,372.46 × 18,879.60
  4. Step 4: Simplify right side
    23,581.38x = 667,817,895.82
  5. Step 5: Solve for x
    x = 667,817,895.82/23,581.38
  6. Step 6: Final answer
    x = 28,319.71

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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.