Home / 16,898.76-25,344.36-5,209.92

Finding the Fourth Proportional to 16,898.76, 25,344.36 and 5,209.92

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Solution

The fourth proportional to 16,898.76, 25,344.36 and 5,209.92 is: 7,813.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,898.76 : 25,344.36 = 5,209.92 : x
  2. Step 2: Convert to fraction form
    16,898.76/25,344.36 = 5,209.92/x
  3. Step 3: Cross multiply
    16,898.76x = 25,344.36 × 5,209.92
  4. Step 4: Simplify right side
    16,898.76x = 132,042,088.05
  5. Step 5: Solve for x
    x = 132,042,088.05/16,898.76
  6. Step 6: Final answer
    x = 7,813.71

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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.