Home / 33,279.12-49,904.10-12,488.04

Finding the Fourth Proportional to 33,279.12, 49,904.10 and 12,488.04

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Solution

The fourth proportional to 33,279.12, 49,904.10 and 12,488.04 is: 18,726.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,279.12 : 49,904.10 = 12,488.04 : x
  2. Step 2: Convert to fraction form
    33,279.12/49,904.10 = 12,488.04/x
  3. Step 3: Cross multiply
    33,279.12x = 49,904.10 × 12,488.04
  4. Step 4: Simplify right side
    33,279.12x = 623,204,396.96
  5. Step 5: Solve for x
    x = 623,204,396.96/33,279.12
  6. Step 6: Final answer
    x = 18,726.59

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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.