Home / 18,136.44-25,028.55-10,965.33

Finding the Fourth Proportional to 18,136.44, 25,028.55 and 10,965.33

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Solution

The fourth proportional to 18,136.44, 25,028.55 and 10,965.33 is: 15,132.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,136.44 : 25,028.55 = 10,965.33 : x
  2. Step 2: Convert to fraction form
    18,136.44/25,028.55 = 10,965.33/x
  3. Step 3: Cross multiply
    18,136.44x = 25,028.55 × 10,965.33
  4. Step 4: Simplify right side
    18,136.44x = 274,446,310.17
  5. Step 5: Solve for x
    x = 274,446,310.17/18,136.44
  6. Step 6: Final answer
    x = 15,132.31

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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.