Home / 22,173.21-33,272.60-12,311.66

Finding the Fourth Proportional to 22,173.21, 33,272.60 and 12,311.66

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Solution

The fourth proportional to 22,173.21, 33,272.60 and 12,311.66 is: 18,474.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,173.21 : 33,272.60 = 12,311.66 : x
  2. Step 2: Convert to fraction form
    22,173.21/33,272.60 = 12,311.66/x
  3. Step 3: Cross multiply
    22,173.21x = 33,272.60 × 12,311.66
  4. Step 4: Simplify right side
    22,173.21x = 409,640,904.62
  5. Step 5: Solve for x
    x = 409,640,904.62/22,173.21
  6. Step 6: Final answer
    x = 18,474.59

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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.