Home / 16,836.60-25,244.10-6,979.80

Finding the Fourth Proportional to 16,836.60, 25,244.10 and 6,979.80

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Solution

The fourth proportional to 16,836.60, 25,244.10 and 6,979.80 is: 10,465.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,836.60 : 25,244.10 = 6,979.80 : x
  2. Step 2: Convert to fraction form
    16,836.60/25,244.10 = 6,979.80/x
  3. Step 3: Cross multiply
    16,836.60x = 25,244.10 × 6,979.80
  4. Step 4: Simplify right side
    16,836.60x = 176,198,769.18
  5. Step 5: Solve for x
    x = 176,198,769.18/16,836.60
  6. Step 6: Final answer
    x = 10,465.22

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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.