Home / 14,170.14-21,251.97-4,172.31

Finding the Fourth Proportional to 14,170.14, 21,251.97 and 4,172.31

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Solution

The fourth proportional to 14,170.14, 21,251.97 and 4,172.31 is: 6,257.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170.14 : 21,251.97 = 4,172.31 : x
  2. Step 2: Convert to fraction form
    14,170.14/21,251.97 = 4,172.31/x
  3. Step 3: Cross multiply
    14,170.14x = 21,251.97 × 4,172.31
  4. Step 4: Simplify right side
    14,170.14x = 88,669,806.95
  5. Step 5: Solve for x
    x = 88,669,806.95/14,170.14
  6. Step 6: Final answer
    x = 6,257.51

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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.