Home / 18,012.33-27,016.38-4,865.73

Finding the Fourth Proportional to 18,012.33, 27,016.38 and 4,865.73

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Solution

The fourth proportional to 18,012.33, 27,016.38 and 4,865.73 is: 7,298.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,012.33 : 27,016.38 = 4,865.73 : x
  2. Step 2: Convert to fraction form
    18,012.33/27,016.38 = 4,865.73/x
  3. Step 3: Cross multiply
    18,012.33x = 27,016.38 × 4,865.73
  4. Step 4: Simplify right side
    18,012.33x = 131,454,410.66
  5. Step 5: Solve for x
    x = 131,454,410.66/18,012.33
  6. Step 6: Final answer
    x = 7,298.02

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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.