Home / 20,250.05-27,944.99-11,297.02

Finding the Fourth Proportional to 20,250.05, 27,944.99 and 11,297.02

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Solution

The fourth proportional to 20,250.05, 27,944.99 and 11,297.02 is: 15,589.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250.05 : 27,944.99 = 11,297.02 : x
  2. Step 2: Convert to fraction form
    20,250.05/27,944.99 = 11,297.02/x
  3. Step 3: Cross multiply
    20,250.05x = 27,944.99 × 11,297.02
  4. Step 4: Simplify right side
    20,250.05x = 315,694,984.58
  5. Step 5: Solve for x
    x = 315,694,984.58/20,250.05
  6. Step 6: Final answer
    x = 15,589.84

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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.