Home / 12,974.48-19,463.52-4,206.56

Finding the Fourth Proportional to 12,974.48, 19,463.52 and 4,206.56

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Solution

The fourth proportional to 12,974.48, 19,463.52 and 4,206.56 is: 6,310.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974.48 : 19,463.52 = 4,206.56 : x
  2. Step 2: Convert to fraction form
    12,974.48/19,463.52 = 4,206.56/x
  3. Step 3: Cross multiply
    12,974.48x = 19,463.52 × 4,206.56
  4. Step 4: Simplify right side
    12,974.48x = 81,874,464.69
  5. Step 5: Solve for x
    x = 81,874,464.69/12,974.48
  6. Step 6: Final answer
    x = 6,310.42

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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.