Home / 12,949.85-19,424.20-4,064.97

Finding the Fourth Proportional to 12,949.85, 19,424.20 and 4,064.97

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Solution

The fourth proportional to 12,949.85, 19,424.20 and 4,064.97 is: 6,097.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949.85 : 19,424.20 = 4,064.97 : x
  2. Step 2: Convert to fraction form
    12,949.85/19,424.20 = 4,064.97/x
  3. Step 3: Cross multiply
    12,949.85x = 19,424.20 × 4,064.97
  4. Step 4: Simplify right side
    12,949.85x = 78,958,751.31
  5. Step 5: Solve for x
    x = 78,958,751.31/12,949.85
  6. Step 6: Final answer
    x = 6,097.27

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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.