Home / 18,629.16-27,944.64-5,481.65

Finding the Fourth Proportional to 18,629.16, 27,944.64 and 5,481.65

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Solution

The fourth proportional to 18,629.16, 27,944.64 and 5,481.65 is: 8,222.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629.16 : 27,944.64 = 5,481.65 : x
  2. Step 2: Convert to fraction form
    18,629.16/27,944.64 = 5,481.65/x
  3. Step 3: Cross multiply
    18,629.16x = 27,944.64 × 5,481.65
  4. Step 4: Simplify right side
    18,629.16x = 153,182,596.13
  5. Step 5: Solve for x
    x = 153,182,596.13/18,629.16
  6. Step 6: Final answer
    x = 8,222.73

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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.