Home / 18,136.76-27,202.94-11,493.75

Finding the Fourth Proportional to 18,136.76, 27,202.94 and 11,493.75

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Solution

The fourth proportional to 18,136.76, 27,202.94 and 11,493.75 is: 17,239.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,136.76 : 27,202.94 = 11,493.75 : x
  2. Step 2: Convert to fraction form
    18,136.76/27,202.94 = 11,493.75/x
  3. Step 3: Cross multiply
    18,136.76x = 27,202.94 × 11,493.75
  4. Step 4: Simplify right side
    18,136.76x = 312,663,726.25
  5. Step 5: Solve for x
    x = 312,663,726.25/18,136.76
  6. Step 6: Final answer
    x = 17,239.23

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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.