Home / 14,098.11-21,147.68-4,738.45

Finding the Fourth Proportional to 14,098.11, 21,147.68 and 4,738.45

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Solution

The fourth proportional to 14,098.11, 21,147.68 and 4,738.45 is: 7,107.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,098.11 : 21,147.68 = 4,738.45 : x
  2. Step 2: Convert to fraction form
    14,098.11/21,147.68 = 4,738.45/x
  3. Step 3: Cross multiply
    14,098.11x = 21,147.68 × 4,738.45
  4. Step 4: Simplify right side
    14,098.11x = 100,207,183.27
  5. Step 5: Solve for x
    x = 100,207,183.27/14,098.11
  6. Step 6: Final answer
    x = 7,107.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.