Home / 20,012.42-27,616.75-11,059.73

Finding the Fourth Proportional to 20,012.42, 27,616.75 and 11,059.73

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Solution

The fourth proportional to 20,012.42, 27,616.75 and 11,059.73 is: 15,262.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,012.42 : 27,616.75 = 11,059.73 : x
  2. Step 2: Convert to fraction form
    20,012.42/27,616.75 = 11,059.73/x
  3. Step 3: Cross multiply
    20,012.42x = 27,616.75 × 11,059.73
  4. Step 4: Simplify right side
    20,012.42x = 305,433,839.87
  5. Step 5: Solve for x
    x = 305,433,839.87/20,012.42
  6. Step 6: Final answer
    x = 15,262.22

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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.