Home / 18,236.34-27,335.88-8,382.96

Finding the Fourth Proportional to 18,236.34, 27,335.88 and 8,382.96

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Solution

The fourth proportional to 18,236.34, 27,335.88 and 8,382.96 is: 12,565.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,236.34 : 27,335.88 = 8,382.96 : x
  2. Step 2: Convert to fraction form
    18,236.34/27,335.88 = 8,382.96/x
  3. Step 3: Cross multiply
    18,236.34x = 27,335.88 × 8,382.96
  4. Step 4: Simplify right side
    18,236.34x = 229,155,588.60
  5. Step 5: Solve for x
    x = 229,155,588.60/18,236.34
  6. Step 6: Final answer
    x = 12,565.88

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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.