Home / 17,136.30-25,704.45-7,772.70

Finding the Fourth Proportional to 17,136.30, 25,704.45 and 7,772.70

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Solution

The fourth proportional to 17,136.30, 25,704.45 and 7,772.70 is: 11,659.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,136.30 : 25,704.45 = 7,772.70 : x
  2. Step 2: Convert to fraction form
    17,136.30/25,704.45 = 7,772.70/x
  3. Step 3: Cross multiply
    17,136.30x = 25,704.45 × 7,772.70
  4. Step 4: Simplify right side
    17,136.30x = 199,792,978.52
  5. Step 5: Solve for x
    x = 199,792,978.52/17,136.30
  6. Step 6: Final answer
    x = 11,659.05

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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.