Home / 22,182.41-30,611.55-12,110.71

Finding the Fourth Proportional to 22,182.41, 30,611.55 and 12,110.71

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Solution

The fourth proportional to 22,182.41, 30,611.55 and 12,110.71 is: 16,712.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,182.41 : 30,611.55 = 12,110.71 : x
  2. Step 2: Convert to fraction form
    22,182.41/30,611.55 = 12,110.71/x
  3. Step 3: Cross multiply
    22,182.41x = 30,611.55 × 12,110.71
  4. Step 4: Simplify right side
    22,182.41x = 370,727,604.70
  5. Step 5: Solve for x
    x = 370,727,604.70/22,182.41
  6. Step 6: Final answer
    x = 16,712.68

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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.