Home / 22,148.20-33,241.74-12,298.60

Finding the Fourth Proportional to 22,148.20, 33,241.74 and 12,298.60

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Solution

The fourth proportional to 22,148.20, 33,241.74 and 12,298.60 is: 18,458.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,148.20 : 33,241.74 = 12,298.60 : x
  2. Step 2: Convert to fraction form
    22,148.20/33,241.74 = 12,298.60/x
  3. Step 3: Cross multiply
    22,148.20x = 33,241.74 × 12,298.60
  4. Step 4: Simplify right side
    22,148.20x = 408,826,863.56
  5. Step 5: Solve for x
    x = 408,826,863.56/22,148.20
  6. Step 6: Final answer
    x = 18,458.69

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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.