Home / 15,912.70-21,954.97-10,250.73

Finding the Fourth Proportional to 15,912.70, 21,954.97 and 10,250.73

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Solution

The fourth proportional to 15,912.70, 21,954.97 and 10,250.73 is: 14,143.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,912.70 : 21,954.97 = 10,250.73 : x
  2. Step 2: Convert to fraction form
    15,912.70/21,954.97 = 10,250.73/x
  3. Step 3: Cross multiply
    15,912.70x = 21,954.97 × 10,250.73
  4. Step 4: Simplify right side
    15,912.70x = 225,054,449.52
  5. Step 5: Solve for x
    x = 225,054,449.52/15,912.70
  6. Step 6: Final answer
    x = 14,143.07

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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.