Home / 19,991.75-29,954.80-6,836.94

Finding the Fourth Proportional to 19,991.75, 29,954.80 and 6,836.94

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Solution

The fourth proportional to 19,991.75, 29,954.80 and 6,836.94 is: 10,244.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,991.75 : 29,954.80 = 6,836.94 : x
  2. Step 2: Convert to fraction form
    19,991.75/29,954.80 = 6,836.94/x
  3. Step 3: Cross multiply
    19,991.75x = 29,954.80 × 6,836.94
  4. Step 4: Simplify right side
    19,991.75x = 204,799,190.66
  5. Step 5: Solve for x
    x = 204,799,190.66/19,991.75
  6. Step 6: Final answer
    x = 10,244.19

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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.