Home / 16,178.05-22,325.88-8,910.97

Finding the Fourth Proportional to 16,178.05, 22,325.88 and 8,910.97

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Solution

The fourth proportional to 16,178.05, 22,325.88 and 8,910.97 is: 12,297.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,178.05 : 22,325.88 = 8,910.97 : x
  2. Step 2: Convert to fraction form
    16,178.05/22,325.88 = 8,910.97/x
  3. Step 3: Cross multiply
    16,178.05x = 22,325.88 × 8,910.97
  4. Step 4: Simplify right side
    16,178.05x = 198,945,246.90
  5. Step 5: Solve for x
    x = 198,945,246.90/16,178.05
  6. Step 6: Final answer
    x = 12,297.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.