Home / 22,168.37-33,372.29-20,206.55

Finding the Fourth Proportional to 22,168.37, 33,372.29 and 20,206.55

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Solution

The fourth proportional to 22,168.37, 33,372.29 and 20,206.55 is: 30,418.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,168.37 : 33,372.29 = 20,206.55 : x
  2. Step 2: Convert to fraction form
    22,168.37/33,372.29 = 20,206.55/x
  3. Step 3: Cross multiply
    22,168.37x = 33,372.29 × 20,206.55
  4. Step 4: Simplify right side
    22,168.37x = 674,338,846.50
  5. Step 5: Solve for x
    x = 674,338,846.50/22,168.37
  6. Step 6: Final answer
    x = 30,418.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.