Home / 18,255.52-27,374.16-9,487.84

Finding the Fourth Proportional to 18,255.52, 27,374.16 and 9,487.84

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Solution

The fourth proportional to 18,255.52, 27,374.16 and 9,487.84 is: 14,227.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.52 : 27,374.16 = 9,487.84 : x
  2. Step 2: Convert to fraction form
    18,255.52/27,374.16 = 9,487.84/x
  3. Step 3: Cross multiply
    18,255.52x = 27,374.16 × 9,487.84
  4. Step 4: Simplify right side
    18,255.52x = 259,721,650.21
  5. Step 5: Solve for x
    x = 259,721,650.21/18,255.52
  6. Step 6: Final answer
    x = 14,227.02

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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.