Home / 16,930.92-25,368.36-11,976.02

Finding the Fourth Proportional to 16,930.92, 25,368.36 and 11,976.02

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Solution

The fourth proportional to 16,930.92, 25,368.36 and 11,976.02 is: 17,944.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,930.92 : 25,368.36 = 11,976.02 : x
  2. Step 2: Convert to fraction form
    16,930.92/25,368.36 = 11,976.02/x
  3. Step 3: Cross multiply
    16,930.92x = 25,368.36 × 11,976.02
  4. Step 4: Simplify right side
    16,930.92x = 303,811,986.73
  5. Step 5: Solve for x
    x = 303,811,986.73/16,930.92
  6. Step 6: Final answer
    x = 17,944.21

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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.