Home / 22,415.56-33,611.82-12,039.88

Finding the Fourth Proportional to 22,415.56, 33,611.82 and 12,039.88

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Solution

The fourth proportional to 22,415.56, 33,611.82 and 12,039.88 is: 18,053.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,415.56 : 33,611.82 = 12,039.88 : x
  2. Step 2: Convert to fraction form
    22,415.56/33,611.82 = 12,039.88/x
  3. Step 3: Cross multiply
    22,415.56x = 33,611.82 × 12,039.88
  4. Step 4: Simplify right side
    22,415.56x = 404,682,279.38
  5. Step 5: Solve for x
    x = 404,682,279.38/22,415.56
  6. Step 6: Final answer
    x = 18,053.63

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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.