Home / 15,530.56-23,295.62-3,843.79

Finding the Fourth Proportional to 15,530.56, 23,295.62 and 3,843.79

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Solution

The fourth proportional to 15,530.56, 23,295.62 and 3,843.79 is: 5,765.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,530.56 : 23,295.62 = 3,843.79 : x
  2. Step 2: Convert to fraction form
    15,530.56/23,295.62 = 3,843.79/x
  3. Step 3: Cross multiply
    15,530.56x = 23,295.62 × 3,843.79
  4. Step 4: Simplify right side
    15,530.56x = 89,543,471.20
  5. Step 5: Solve for x
    x = 89,543,471.20/15,530.56
  6. Step 6: Final answer
    x = 5,765.63

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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.