Home / 18,321.44-27,467.16-15,191.60

Finding the Fourth Proportional to 18,321.44, 27,467.16 and 15,191.60

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Solution

The fourth proportional to 18,321.44, 27,467.16 and 15,191.60 is: 22,774.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321.44 : 27,467.16 = 15,191.60 : x
  2. Step 2: Convert to fraction form
    18,321.44/27,467.16 = 15,191.60/x
  3. Step 3: Cross multiply
    18,321.44x = 27,467.16 × 15,191.60
  4. Step 4: Simplify right side
    18,321.44x = 417,270,107.86
  5. Step 5: Solve for x
    x = 417,270,107.86/18,321.44
  6. Step 6: Final answer
    x = 22,774.96

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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.