Home / 14,503.26-20,014.11-8,217.66

Finding the Fourth Proportional to 14,503.26, 20,014.11 and 8,217.66

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Solution

The fourth proportional to 14,503.26, 20,014.11 and 8,217.66 is: 11,340.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,503.26 : 20,014.11 = 8,217.66 : x
  2. Step 2: Convert to fraction form
    14,503.26/20,014.11 = 8,217.66/x
  3. Step 3: Cross multiply
    14,503.26x = 20,014.11 × 8,217.66
  4. Step 4: Simplify right side
    14,503.26x = 164,469,151.18
  5. Step 5: Solve for x
    x = 164,469,151.18/14,503.26
  6. Step 6: Final answer
    x = 11,340.15

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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.