Home / 22,121.01-33,172.70-8,077.83

Finding the Fourth Proportional to 22,121.01, 33,172.70 and 8,077.83

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Solution

The fourth proportional to 22,121.01, 33,172.70 and 8,077.83 is: 12,113.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,121.01 : 33,172.70 = 8,077.83 : x
  2. Step 2: Convert to fraction form
    22,121.01/33,172.70 = 8,077.83/x
  3. Step 3: Cross multiply
    22,121.01x = 33,172.70 × 8,077.83
  4. Step 4: Simplify right side
    22,121.01x = 267,963,390.85
  5. Step 5: Solve for x
    x = 267,963,390.85/22,121.01
  6. Step 6: Final answer
    x = 12,113.52

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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.