Home / 18,445.20-27,672.12-5,966.16

Finding the Fourth Proportional to 18,445.20, 27,672.12 and 5,966.16

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Solution

The fourth proportional to 18,445.20, 27,672.12 and 5,966.16 is: 8,950.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445.20 : 27,672.12 = 5,966.16 : x
  2. Step 2: Convert to fraction form
    18,445.20/27,672.12 = 5,966.16/x
  3. Step 3: Cross multiply
    18,445.20x = 27,672.12 × 5,966.16
  4. Step 4: Simplify right side
    18,445.20x = 165,096,295.46
  5. Step 5: Solve for x
    x = 165,096,295.46/18,445.20
  6. Step 6: Final answer
    x = 8,950.64

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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.