Home / 16,823.52-25,239.21-5,136.73

Finding the Fourth Proportional to 16,823.52, 25,239.21 and 5,136.73

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Solution

The fourth proportional to 16,823.52, 25,239.21 and 5,136.73 is: 7,706.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,823.52 : 25,239.21 = 5,136.73 : x
  2. Step 2: Convert to fraction form
    16,823.52/25,239.21 = 5,136.73/x
  3. Step 3: Cross multiply
    16,823.52x = 25,239.21 × 5,136.73
  4. Step 4: Simplify right side
    16,823.52x = 129,647,007.18
  5. Step 5: Solve for x
    x = 129,647,007.18/16,823.52
  6. Step 6: Final answer
    x = 7,706.29

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1.5x scale

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.