Home / 18,110.88-27,168.30-5,627.94

Finding the Fourth Proportional to 18,110.88, 27,168.30 and 5,627.94

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Solution

The fourth proportional to 18,110.88, 27,168.30 and 5,627.94 is: 8,442.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,110.88 : 27,168.30 = 5,627.94 : x
  2. Step 2: Convert to fraction form
    18,110.88/27,168.30 = 5,627.94/x
  3. Step 3: Cross multiply
    18,110.88x = 27,168.30 × 5,627.94
  4. Step 4: Simplify right side
    18,110.88x = 152,901,562.30
  5. Step 5: Solve for x
    x = 152,901,562.30/18,110.88
  6. Step 6: Final answer
    x = 8,442.53

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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.