Home / 16,836.73-25,205.88-11,821.83

Finding the Fourth Proportional to 16,836.73, 25,205.88 and 11,821.83

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Solution

The fourth proportional to 16,836.73, 25,205.88 and 11,821.83 is: 17,698.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,836.73 : 25,205.88 = 11,821.83 : x
  2. Step 2: Convert to fraction form
    16,836.73/25,205.88 = 11,821.83/x
  3. Step 3: Cross multiply
    16,836.73x = 25,205.88 × 11,821.83
  4. Step 4: Simplify right side
    16,836.73x = 297,979,628.36
  5. Step 5: Solve for x
    x = 297,979,628.36/16,836.73
  6. Step 6: Final answer
    x = 17,698.19

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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.