Home / 18,180.64-27,270.18-5,700.38

Finding the Fourth Proportional to 18,180.64, 27,270.18 and 5,700.38

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Solution

The fourth proportional to 18,180.64, 27,270.18 and 5,700.38 is: 8,550.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.64 : 27,270.18 = 5,700.38 : x
  2. Step 2: Convert to fraction form
    18,180.64/27,270.18 = 5,700.38/x
  3. Step 3: Cross multiply
    18,180.64x = 27,270.18 × 5,700.38
  4. Step 4: Simplify right side
    18,180.64x = 155,450,388.67
  5. Step 5: Solve for x
    x = 155,450,388.67/18,180.64
  6. Step 6: Final answer
    x = 8,550.33

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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.