Home / 14,910.55-20,576.19-8,104.36

Finding the Fourth Proportional to 14,910.55, 20,576.19 and 8,104.36

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Solution

The fourth proportional to 14,910.55, 20,576.19 and 8,104.36 is: 11,183.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,910.55 : 20,576.19 = 8,104.36 : x
  2. Step 2: Convert to fraction form
    14,910.55/20,576.19 = 8,104.36/x
  3. Step 3: Cross multiply
    14,910.55x = 20,576.19 × 8,104.36
  4. Step 4: Simplify right side
    14,910.55x = 166,756,851.19
  5. Step 5: Solve for x
    x = 166,756,851.19/14,910.55
  6. Step 6: Final answer
    x = 11,183.82

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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.