Home / 22,193.94-30,626.28-12,120.34

Finding the Fourth Proportional to 22,193.94, 30,626.28 and 12,120.34

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Solution

The fourth proportional to 22,193.94, 30,626.28 and 12,120.34 is: 16,725.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,193.94 : 30,626.28 = 12,120.34 : x
  2. Step 2: Convert to fraction form
    22,193.94/30,626.28 = 12,120.34/x
  3. Step 3: Cross multiply
    22,193.94x = 30,626.28 × 12,120.34
  4. Step 4: Simplify right side
    22,193.94x = 371,200,926.54
  5. Step 5: Solve for x
    x = 371,200,926.54/22,193.94
  6. Step 6: Final answer
    x = 16,725.33

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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.