Home / 18,046.96-27,042.52-12,511.12

Finding the Fourth Proportional to 18,046.96, 27,042.52 and 12,511.12

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Solution

The fourth proportional to 18,046.96, 27,042.52 and 12,511.12 is: 18,747.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,046.96 : 27,042.52 = 12,511.12 : x
  2. Step 2: Convert to fraction form
    18,046.96/27,042.52 = 12,511.12/x
  3. Step 3: Cross multiply
    18,046.96x = 27,042.52 × 12,511.12
  4. Step 4: Simplify right side
    18,046.96x = 338,332,212.82
  5. Step 5: Solve for x
    x = 338,332,212.82/18,046.96
  6. Step 6: Final answer
    x = 18,747.32

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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.