Home / 14,629.26-20,183.12-8,338

Finding the Fourth Proportional to 14,629.26, 20,183.12 and 8,338

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Solution

The fourth proportional to 14,629.26, 20,183.12 and 8,338 is: 11,503.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,629.26 : 20,183.12 = 8,338 : x
  2. Step 2: Convert to fraction form
    14,629.26/20,183.12 = 8,338/x
  3. Step 3: Cross multiply
    14,629.26x = 20,183.12 × 8,338
  4. Step 4: Simplify right side
    14,629.26x = 168,286,854.56
  5. Step 5: Solve for x
    x = 168,286,854.56/14,629.26
  6. Step 6: Final answer
    x = 11,503.44

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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.