Home / 22,083.73-33,245.74-20,121.99

Finding the Fourth Proportional to 22,083.73, 33,245.74 and 20,121.99

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Solution

The fourth proportional to 22,083.73, 33,245.74 and 20,121.99 is: 30,292.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,083.73 : 33,245.74 = 20,121.99 : x
  2. Step 2: Convert to fraction form
    22,083.73/33,245.74 = 20,121.99/x
  3. Step 3: Cross multiply
    22,083.73x = 33,245.74 × 20,121.99
  4. Step 4: Simplify right side
    22,083.73x = 668,970,272.85
  5. Step 5: Solve for x
    x = 668,970,272.85/22,083.73
  6. Step 6: Final answer
    x = 30,292.45

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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.