Home / 18,181.49-27,228.49-10,366.61

Finding the Fourth Proportional to 18,181.49, 27,228.49 and 10,366.61

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Solution

The fourth proportional to 18,181.49, 27,228.49 and 10,366.61 is: 15,524.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181.49 : 27,228.49 = 10,366.61 : x
  2. Step 2: Convert to fraction form
    18,181.49/27,228.49 = 10,366.61/x
  3. Step 3: Cross multiply
    18,181.49x = 27,228.49 × 10,366.61
  4. Step 4: Simplify right side
    18,181.49x = 282,266,974.66
  5. Step 5: Solve for x
    x = 282,266,974.66/18,181.49
  6. Step 6: Final answer
    x = 15,524.97

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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.