Home / 14,177.92-21,268.63-4,819.48

Finding the Fourth Proportional to 14,177.92, 21,268.63 and 4,819.48

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Solution

The fourth proportional to 14,177.92, 21,268.63 and 4,819.48 is: 7,229.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177.92 : 21,268.63 = 4,819.48 : x
  2. Step 2: Convert to fraction form
    14,177.92/21,268.63 = 4,819.48/x
  3. Step 3: Cross multiply
    14,177.92x = 21,268.63 × 4,819.48
  4. Step 4: Simplify right side
    14,177.92x = 102,503,736.91
  5. Step 5: Solve for x
    x = 102,503,736.91/14,177.92
  6. Step 6: Final answer
    x = 7,229.81

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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.