Home / 20,096.72-27,727.82-11,711.60

Finding the Fourth Proportional to 20,096.72, 27,727.82 and 11,711.60

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Solution

The fourth proportional to 20,096.72, 27,727.82 and 11,711.60 is: 16,158.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,096.72 : 27,727.82 = 11,711.60 : x
  2. Step 2: Convert to fraction form
    20,096.72/27,727.82 = 11,711.60/x
  3. Step 3: Cross multiply
    20,096.72x = 27,727.82 × 11,711.60
  4. Step 4: Simplify right side
    20,096.72x = 324,737,136.71
  5. Step 5: Solve for x
    x = 324,737,136.71/20,096.72
  6. Step 6: Final answer
    x = 16,158.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.