Home / 18,272.52-27,372.24-8,398.26

Finding the Fourth Proportional to 18,272.52, 27,372.24 and 8,398.26

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Solution

The fourth proportional to 18,272.52, 27,372.24 and 8,398.26 is: 12,580.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,272.52 : 27,372.24 = 8,398.26 : x
  2. Step 2: Convert to fraction form
    18,272.52/27,372.24 = 8,398.26/x
  3. Step 3: Cross multiply
    18,272.52x = 27,372.24 × 8,398.26
  4. Step 4: Simplify right side
    18,272.52x = 229,879,188.30
  5. Step 5: Solve for x
    x = 229,879,188.30/18,272.52
  6. Step 6: Final answer
    x = 12,580.60

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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.