Home / 22,013.76-33,033.60-8,172.48

Finding the Fourth Proportional to 22,013.76, 33,033.60 and 8,172.48

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Solution

The fourth proportional to 22,013.76, 33,033.60 and 8,172.48 is: 12,263.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,013.76 : 33,033.60 = 8,172.48 : x
  2. Step 2: Convert to fraction form
    22,013.76/33,033.60 = 8,172.48/x
  3. Step 3: Cross multiply
    22,013.76x = 33,033.60 × 8,172.48
  4. Step 4: Simplify right side
    22,013.76x = 269,966,435.33
  5. Step 5: Solve for x
    x = 269,966,435.33/22,013.76
  6. Step 6: Final answer
    x = 12,263.53

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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.