Home / 18,331.26-27,493.44-5,183.55

Finding the Fourth Proportional to 18,331.26, 27,493.44 and 5,183.55

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Solution

The fourth proportional to 18,331.26, 27,493.44 and 5,183.55 is: 7,774.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.26 : 27,493.44 = 5,183.55 : x
  2. Step 2: Convert to fraction form
    18,331.26/27,493.44 = 5,183.55/x
  3. Step 3: Cross multiply
    18,331.26x = 27,493.44 × 5,183.55
  4. Step 4: Simplify right side
    18,331.26x = 142,513,620.91
  5. Step 5: Solve for x
    x = 142,513,620.91/18,331.26
  6. Step 6: Final answer
    x = 7,774.35

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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.