Home / 18,108.33-27,162.48-4,961.73

Finding the Fourth Proportional to 18,108.33, 27,162.48 and 4,961.73

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Solution

The fourth proportional to 18,108.33, 27,162.48 and 4,961.73 is: 7,442.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108.33 : 27,162.48 = 4,961.73 : x
  2. Step 2: Convert to fraction form
    18,108.33/27,162.48 = 4,961.73/x
  3. Step 3: Cross multiply
    18,108.33x = 27,162.48 × 4,961.73
  4. Step 4: Simplify right side
    18,108.33x = 134,772,891.89
  5. Step 5: Solve for x
    x = 134,772,891.89/18,108.33
  6. Step 6: Final answer
    x = 7,442.59

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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.