Home / 19,974.14-29,951.94-11,656.55

Finding the Fourth Proportional to 19,974.14, 29,951.94 and 11,656.55

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Solution

The fourth proportional to 19,974.14, 29,951.94 and 11,656.55 is: 17,479.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,974.14 : 29,951.94 = 11,656.55 : x
  2. Step 2: Convert to fraction form
    19,974.14/29,951.94 = 11,656.55/x
  3. Step 3: Cross multiply
    19,974.14x = 29,951.94 × 11,656.55
  4. Step 4: Simplify right side
    19,974.14x = 349,136,286.21
  5. Step 5: Solve for x
    x = 349,136,286.21/19,974.14
  6. Step 6: Final answer
    x = 17,479.42

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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.