Home / 22,172.37-33,264.31-11,078.61

Finding the Fourth Proportional to 22,172.37, 33,264.31 and 11,078.61

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Solution

The fourth proportional to 22,172.37, 33,264.31 and 11,078.61 is: 16,620.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,172.37 : 33,264.31 = 11,078.61 : x
  2. Step 2: Convert to fraction form
    22,172.37/33,264.31 = 11,078.61/x
  3. Step 3: Cross multiply
    22,172.37x = 33,264.31 × 11,078.61
  4. Step 4: Simplify right side
    22,172.37x = 368,522,317.41
  5. Step 5: Solve for x
    x = 368,522,317.41/22,172.37
  6. Step 6: Final answer
    x = 16,620.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.