Home / 18,631.94-27,944.88-5,481.24

Finding the Fourth Proportional to 18,631.94, 27,944.88 and 5,481.24

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Solution

The fourth proportional to 18,631.94, 27,944.88 and 5,481.24 is: 8,220.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631.94 : 27,944.88 = 5,481.24 : x
  2. Step 2: Convert to fraction form
    18,631.94/27,944.88 = 5,481.24/x
  3. Step 3: Cross multiply
    18,631.94x = 27,944.88 × 5,481.24
  4. Step 4: Simplify right side
    18,631.94x = 153,172,566.65
  5. Step 5: Solve for x
    x = 153,172,566.65/18,631.94
  6. Step 6: Final answer
    x = 8,220.97

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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.