Home / 18,382.30-27,576.20-8,522.58

Finding the Fourth Proportional to 18,382.30, 27,576.20 and 8,522.58

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Solution

The fourth proportional to 18,382.30, 27,576.20 and 8,522.58 is: 12,785.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382.30 : 27,576.20 = 8,522.58 : x
  2. Step 2: Convert to fraction form
    18,382.30/27,576.20 = 8,522.58/x
  3. Step 3: Cross multiply
    18,382.30x = 27,576.20 × 8,522.58
  4. Step 4: Simplify right side
    18,382.30x = 235,020,370.60
  5. Step 5: Solve for x
    x = 235,020,370.60/18,382.30
  6. Step 6: Final answer
    x = 12,785.14

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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.