Home / 18,124.24-27,183.12-4,974.88

Finding the Fourth Proportional to 18,124.24, 27,183.12 and 4,974.88

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Solution

The fourth proportional to 18,124.24, 27,183.12 and 4,974.88 is: 7,461.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,124.24 : 27,183.12 = 4,974.88 : x
  2. Step 2: Convert to fraction form
    18,124.24/27,183.12 = 4,974.88/x
  3. Step 3: Cross multiply
    18,124.24x = 27,183.12 × 4,974.88
  4. Step 4: Simplify right side
    18,124.24x = 135,232,760.03
  5. Step 5: Solve for x
    x = 135,232,760.03/18,124.24
  6. Step 6: Final answer
    x = 7,461.43

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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.