Home / 22,146.52-33,219.79-8,100.47

Finding the Fourth Proportional to 22,146.52, 33,219.79 and 8,100.47

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Solution

The fourth proportional to 22,146.52, 33,219.79 and 8,100.47 is: 12,150.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,146.52 : 33,219.79 = 8,100.47 : x
  2. Step 2: Convert to fraction form
    22,146.52/33,219.79 = 8,100.47/x
  3. Step 3: Cross multiply
    22,146.52x = 33,219.79 × 8,100.47
  4. Step 4: Simplify right side
    22,146.52x = 269,095,975.10
  5. Step 5: Solve for x
    x = 269,095,975.10/22,146.52
  6. Step 6: Final answer
    x = 12,150.71

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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.