Home / 18,031.38-27,050.55-5,549.19

Finding the Fourth Proportional to 18,031.38, 27,050.55 and 5,549.19

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Solution

The fourth proportional to 18,031.38, 27,050.55 and 5,549.19 is: 8,324.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,031.38 : 27,050.55 = 5,549.19 : x
  2. Step 2: Convert to fraction form
    18,031.38/27,050.55 = 5,549.19/x
  3. Step 3: Cross multiply
    18,031.38x = 27,050.55 × 5,549.19
  4. Step 4: Simplify right side
    18,031.38x = 150,108,641.55
  5. Step 5: Solve for x
    x = 150,108,641.55/18,031.38
  6. Step 6: Final answer
    x = 8,324.86

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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.