Home / 22,116.54-33,174.60-8,965.79

Finding the Fourth Proportional to 22,116.54, 33,174.60 and 8,965.79

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Solution

The fourth proportional to 22,116.54, 33,174.60 and 8,965.79 is: 13,448.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,116.54 : 33,174.60 = 8,965.79 : x
  2. Step 2: Convert to fraction form
    22,116.54/33,174.60 = 8,965.79/x
  3. Step 3: Cross multiply
    22,116.54x = 33,174.60 × 8,965.79
  4. Step 4: Simplify right side
    22,116.54x = 297,436,331.06
  5. Step 5: Solve for x
    x = 297,436,331.06/22,116.54
  6. Step 6: Final answer
    x = 13,448.59

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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.