Home / 16,824.45-25,235.76-5,136.75

Finding the Fourth Proportional to 16,824.45, 25,235.76 and 5,136.75

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Solution

The fourth proportional to 16,824.45, 25,235.76 and 5,136.75 is: 7,704.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,824.45 : 25,235.76 = 5,136.75 : x
  2. Step 2: Convert to fraction form
    16,824.45/25,235.76 = 5,136.75/x
  3. Step 3: Cross multiply
    16,824.45x = 25,235.76 × 5,136.75
  4. Step 4: Simplify right side
    16,824.45x = 129,629,790.18
  5. Step 5: Solve for x
    x = 129,629,790.18/16,824.45
  6. Step 6: Final answer
    x = 7,704.85

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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.