Home / 13,375.32-20,063.22-4,141.56

Finding the Fourth Proportional to 13,375.32, 20,063.22 and 4,141.56

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Solution

The fourth proportional to 13,375.32, 20,063.22 and 4,141.56 is: 6,212.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375.32 : 20,063.22 = 4,141.56 : x
  2. Step 2: Convert to fraction form
    13,375.32/20,063.22 = 4,141.56/x
  3. Step 3: Cross multiply
    13,375.32x = 20,063.22 × 4,141.56
  4. Step 4: Simplify right side
    13,375.32x = 83,093,029.42
  5. Step 5: Solve for x
    x = 83,093,029.42/13,375.32
  6. Step 6: Final answer
    x = 6,212.41

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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.