Home / 16,976.61-25,456.56-6,979.53

Finding the Fourth Proportional to 16,976.61, 25,456.56 and 6,979.53

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Solution

The fourth proportional to 16,976.61, 25,456.56 and 6,979.53 is: 10,465.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,976.61 : 25,456.56 = 6,979.53 : x
  2. Step 2: Convert to fraction form
    16,976.61/25,456.56 = 6,979.53/x
  3. Step 3: Cross multiply
    16,976.61x = 25,456.56 × 6,979.53
  4. Step 4: Simplify right side
    16,976.61x = 177,674,824.22
  5. Step 5: Solve for x
    x = 177,674,824.22/16,976.61
  6. Step 6: Final answer
    x = 10,465.86

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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.