Home / 22,351.41-30,845.61-12,280.48

Finding the Fourth Proportional to 22,351.41, 30,845.61 and 12,280.48

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Solution

The fourth proportional to 22,351.41, 30,845.61 and 12,280.48 is: 16,947.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,351.41 : 30,845.61 = 12,280.48 : x
  2. Step 2: Convert to fraction form
    22,351.41/30,845.61 = 12,280.48/x
  3. Step 3: Cross multiply
    22,351.41x = 30,845.61 × 12,280.48
  4. Step 4: Simplify right side
    22,351.41x = 378,798,819.58
  5. Step 5: Solve for x
    x = 378,798,819.58/22,351.41
  6. Step 6: Final answer
    x = 16,947.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.