Home / 17,211.54-23,685.45-15,796.44

Finding the Fourth Proportional to 17,211.54, 23,685.45 and 15,796.44

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Solution

The fourth proportional to 17,211.54, 23,685.45 and 15,796.44 is: 21,738.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,211.54 : 23,685.45 = 15,796.44 : x
  2. Step 2: Convert to fraction form
    17,211.54/23,685.45 = 15,796.44/x
  3. Step 3: Cross multiply
    17,211.54x = 23,685.45 × 15,796.44
  4. Step 4: Simplify right side
    17,211.54x = 374,145,789.80
  5. Step 5: Solve for x
    x = 374,145,789.80/17,211.54
  6. Step 6: Final answer
    x = 21,738.08

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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.