Home / 18,454.57-27,685.04-5,977.73

Finding the Fourth Proportional to 18,454.57, 27,685.04 and 5,977.73

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Solution

The fourth proportional to 18,454.57, 27,685.04 and 5,977.73 is: 8,967.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,454.57 : 27,685.04 = 5,977.73 : x
  2. Step 2: Convert to fraction form
    18,454.57/27,685.04 = 5,977.73/x
  3. Step 3: Cross multiply
    18,454.57x = 27,685.04 × 5,977.73
  4. Step 4: Simplify right side
    18,454.57x = 165,493,694.16
  5. Step 5: Solve for x
    x = 165,493,694.16/18,454.57
  6. Step 6: Final answer
    x = 8,967.63

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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.