Home / 17,212.05-23,743.85-11,247.21

Finding the Fourth Proportional to 17,212.05, 23,743.85 and 11,247.21

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Solution

The fourth proportional to 17,212.05, 23,743.85 and 11,247.21 is: 15,515.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,212.05 : 23,743.85 = 11,247.21 : x
  2. Step 2: Convert to fraction form
    17,212.05/23,743.85 = 11,247.21/x
  3. Step 3: Cross multiply
    17,212.05x = 23,743.85 × 11,247.21
  4. Step 4: Simplify right side
    17,212.05x = 267,052,010.92
  5. Step 5: Solve for x
    x = 267,052,010.92/17,212.05
  6. Step 6: Final answer
    x = 15,515.41

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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.