Home / 13,375.32-20,052.27-6,351.78

Finding the Fourth Proportional to 13,375.32, 20,052.27 and 6,351.78

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Solution

The fourth proportional to 13,375.32, 20,052.27 and 6,351.78 is: 9,522.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375.32 : 20,052.27 = 6,351.78 : x
  2. Step 2: Convert to fraction form
    13,375.32/20,052.27 = 6,351.78/x
  3. Step 3: Cross multiply
    13,375.32x = 20,052.27 × 6,351.78
  4. Step 4: Simplify right side
    13,375.32x = 127,367,607.54
  5. Step 5: Solve for x
    x = 127,367,607.54/13,375.32
  6. Step 6: Final answer
    x = 9,522.58

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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.