Home / 14,910.05-20,576.25-8,195.85

Finding the Fourth Proportional to 14,910.05, 20,576.25 and 8,195.85

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Solution

The fourth proportional to 14,910.05, 20,576.25 and 8,195.85 is: 11,310.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,910.05 : 20,576.25 = 8,195.85 : x
  2. Step 2: Convert to fraction form
    14,910.05/20,576.25 = 8,195.85/x
  3. Step 3: Cross multiply
    14,910.05x = 20,576.25 × 8,195.85
  4. Step 4: Simplify right side
    14,910.05x = 168,639,714.70
  5. Step 5: Solve for x
    x = 168,639,714.70/14,910.05
  6. Step 6: Final answer
    x = 11,310.48

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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.