Home / 18,179.89-27,272.35-5,700.78

Finding the Fourth Proportional to 18,179.89, 27,272.35 and 5,700.78

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Solution

The fourth proportional to 18,179.89, 27,272.35 and 5,700.78 is: 8,551.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179.89 : 27,272.35 = 5,700.78 : x
  2. Step 2: Convert to fraction form
    18,179.89/27,272.35 = 5,700.78/x
  3. Step 3: Cross multiply
    18,179.89x = 27,272.35 × 5,700.78
  4. Step 4: Simplify right side
    18,179.89x = 155,473,642.49
  5. Step 5: Solve for x
    x = 155,473,642.49/18,179.89
  6. Step 6: Final answer
    x = 8,551.96

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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.