Home / 18,500.27-27,750.60-5,352.75

Finding the Fourth Proportional to 18,500.27, 27,750.60 and 5,352.75

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Solution

The fourth proportional to 18,500.27, 27,750.60 and 5,352.75 is: 8,029.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.27 : 27,750.60 = 5,352.75 : x
  2. Step 2: Convert to fraction form
    18,500.27/27,750.60 = 5,352.75/x
  3. Step 3: Cross multiply
    18,500.27x = 27,750.60 × 5,352.75
  4. Step 4: Simplify right side
    18,500.27x = 148,542,024.15
  5. Step 5: Solve for x
    x = 148,542,024.15/18,500.27
  6. Step 6: Final answer
    x = 8,029.18

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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.