Home / 13,936.76-19,226.62-8,344.52

Finding the Fourth Proportional to 13,936.76, 19,226.62 and 8,344.52

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Solution

The fourth proportional to 13,936.76, 19,226.62 and 8,344.52 is: 11,511.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.76 : 19,226.62 = 8,344.52 : x
  2. Step 2: Convert to fraction form
    13,936.76/19,226.62 = 8,344.52/x
  3. Step 3: Cross multiply
    13,936.76x = 19,226.62 × 8,344.52
  4. Step 4: Simplify right side
    13,936.76x = 160,436,915.12
  5. Step 5: Solve for x
    x = 160,436,915.12/13,936.76
  6. Step 6: Final answer
    x = 11,511.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.