Home / 22,991.48-34,469.73-11,891.09

Finding the Fourth Proportional to 22,991.48, 34,469.73 and 11,891.09

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Solution

The fourth proportional to 22,991.48, 34,469.73 and 11,891.09 is: 17,827.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,991.48 : 34,469.73 = 11,891.09 : x
  2. Step 2: Convert to fraction form
    22,991.48/34,469.73 = 11,891.09/x
  3. Step 3: Cross multiply
    22,991.48x = 34,469.73 × 11,891.09
  4. Step 4: Simplify right side
    22,991.48x = 409,882,429.90
  5. Step 5: Solve for x
    x = 409,882,429.90/22,991.48
  6. Step 6: Final answer
    x = 17,827.58

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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.