Home / 22,167.37-33,370.79-20,205.55

Finding the Fourth Proportional to 22,167.37, 33,370.79 and 20,205.55

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Solution

The fourth proportional to 22,167.37, 33,370.79 and 20,205.55 is: 30,417.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,167.37 : 33,370.79 = 20,205.55 : x
  2. Step 2: Convert to fraction form
    22,167.37/33,370.79 = 20,205.55/x
  3. Step 3: Cross multiply
    22,167.37x = 33,370.79 × 20,205.55
  4. Step 4: Simplify right side
    22,167.37x = 674,275,106.57
  5. Step 5: Solve for x
    x = 674,275,106.57/22,167.37
  6. Step 6: Final answer
    x = 30,417.46

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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.