Home / 18,012.75-27,023.45-5,700.75

Finding the Fourth Proportional to 18,012.75, 27,023.45 and 5,700.75

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Solution

The fourth proportional to 18,012.75, 27,023.45 and 5,700.75 is: 8,552.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,012.75 : 27,023.45 = 5,700.75 : x
  2. Step 2: Convert to fraction form
    18,012.75/27,023.45 = 5,700.75/x
  3. Step 3: Cross multiply
    18,012.75x = 27,023.45 × 5,700.75
  4. Step 4: Simplify right side
    18,012.75x = 154,053,904.08
  5. Step 5: Solve for x
    x = 154,053,904.08/18,012.75
  6. Step 6: Final answer
    x = 8,552.49

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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.