Home / 16,898.24-25,351.20-5,212.40

Finding the Fourth Proportional to 16,898.24, 25,351.20 and 5,212.40

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Solution

The fourth proportional to 16,898.24, 25,351.20 and 5,212.40 is: 7,819.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,898.24 : 25,351.20 = 5,212.40 : x
  2. Step 2: Convert to fraction form
    16,898.24/25,351.20 = 5,212.40/x
  3. Step 3: Cross multiply
    16,898.24x = 25,351.20 × 5,212.40
  4. Step 4: Simplify right side
    16,898.24x = 132,140,594.88
  5. Step 5: Solve for x
    x = 132,140,594.88/16,898.24
  6. Step 6: Final answer
    x = 7,819.78

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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.