Home / 12,714.82-19,072.23-3,949.73

Finding the Fourth Proportional to 12,714.82, 19,072.23 and 3,949.73

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Solution

The fourth proportional to 12,714.82, 19,072.23 and 3,949.73 is: 5,924.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,714.82 : 19,072.23 = 3,949.73 : x
  2. Step 2: Convert to fraction form
    12,714.82/19,072.23 = 3,949.73/x
  3. Step 3: Cross multiply
    12,714.82x = 19,072.23 × 3,949.73
  4. Step 4: Simplify right side
    12,714.82x = 75,330,139.25
  5. Step 5: Solve for x
    x = 75,330,139.25/12,714.82
  6. Step 6: Final answer
    x = 5,924.60

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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.