Home / 23,190.55-34,781.45-9,861.08

Finding the Fourth Proportional to 23,190.55, 34,781.45 and 9,861.08

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Solution

The fourth proportional to 23,190.55, 34,781.45 and 9,861.08 is: 14,789.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,190.55 : 34,781.45 = 9,861.08 : x
  2. Step 2: Convert to fraction form
    23,190.55/34,781.45 = 9,861.08/x
  3. Step 3: Cross multiply
    23,190.55x = 34,781.45 × 9,861.08
  4. Step 4: Simplify right side
    23,190.55x = 342,982,437.75
  5. Step 5: Solve for x
    x = 342,982,437.75/23,190.55
  6. Step 6: Final answer
    x = 14,789.75

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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.