Home / 16,836.45-25,231.82-8,936.97

Finding the Fourth Proportional to 16,836.45, 25,231.82 and 8,936.97

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Solution

The fourth proportional to 16,836.45, 25,231.82 and 8,936.97 is: 13,393.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,836.45 : 25,231.82 = 8,936.97 : x
  2. Step 2: Convert to fraction form
    16,836.45/25,231.82 = 8,936.97/x
  3. Step 3: Cross multiply
    16,836.45x = 25,231.82 × 8,936.97
  4. Step 4: Simplify right side
    16,836.45x = 225,495,973.70
  5. Step 5: Solve for x
    x = 225,495,973.70/16,836.45
  6. Step 6: Final answer
    x = 13,393.32

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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.