Home / 33,238.20-49,856.49-13,511.88

Finding the Fourth Proportional to 33,238.20, 49,856.49 and 13,511.88

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Solution

The fourth proportional to 33,238.20, 49,856.49 and 13,511.88 is: 20,267.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,238.20 : 49,856.49 = 13,511.88 : x
  2. Step 2: Convert to fraction form
    33,238.20/49,856.49 = 13,511.88/x
  3. Step 3: Cross multiply
    33,238.20x = 49,856.49 × 13,511.88
  4. Step 4: Simplify right side
    33,238.20x = 673,654,910.10
  5. Step 5: Solve for x
    x = 673,654,910.10/33,238.20
  6. Step 6: Final answer
    x = 20,267.49

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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.