Home / 18,034.40-27,033.20-12,191.60

Finding the Fourth Proportional to 18,034.40, 27,033.20 and 12,191.60

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Solution

The fourth proportional to 18,034.40, 27,033.20 and 12,191.60 is: 18,274.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,034.40 : 27,033.20 = 12,191.60 : x
  2. Step 2: Convert to fraction form
    18,034.40/27,033.20 = 12,191.60/x
  3. Step 3: Cross multiply
    18,034.40x = 27,033.20 × 12,191.60
  4. Step 4: Simplify right side
    18,034.40x = 329,577,961.12
  5. Step 5: Solve for x
    x = 329,577,961.12/18,034.40
  6. Step 6: Final answer
    x = 18,274.96

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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.