Home / 13,227.21-19,841.31-3,366.72

Finding the Fourth Proportional to 13,227.21, 19,841.31 and 3,366.72

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Solution

The fourth proportional to 13,227.21, 19,841.31 and 3,366.72 is: 5,050.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.21 : 19,841.31 = 3,366.72 : x
  2. Step 2: Convert to fraction form
    13,227.21/19,841.31 = 3,366.72/x
  3. Step 3: Cross multiply
    13,227.21x = 19,841.31 × 3,366.72
  4. Step 4: Simplify right side
    13,227.21x = 66,800,135.20
  5. Step 5: Solve for x
    x = 66,800,135.20/13,227.21
  6. Step 6: Final answer
    x = 5,050.21

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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.