Home / 18,170.77-27,255.88-5,022.85

Finding the Fourth Proportional to 18,170.77, 27,255.88 and 5,022.85

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Solution

The fourth proportional to 18,170.77, 27,255.88 and 5,022.85 is: 7,534.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170.77 : 27,255.88 = 5,022.85 : x
  2. Step 2: Convert to fraction form
    18,170.77/27,255.88 = 5,022.85/x
  3. Step 3: Cross multiply
    18,170.77x = 27,255.88 × 5,022.85
  4. Step 4: Simplify right side
    18,170.77x = 136,902,196.86
  5. Step 5: Solve for x
    x = 136,902,196.86/18,170.77
  6. Step 6: Final answer
    x = 7,534.20

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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.