Home / 33,121.44-45,695.34-19,693.26

Finding the Fourth Proportional to 33,121.44, 45,695.34 and 19,693.26

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Solution

The fourth proportional to 33,121.44, 45,695.34 and 19,693.26 is: 27,169.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,121.44 : 45,695.34 = 19,693.26 : x
  2. Step 2: Convert to fraction form
    33,121.44/45,695.34 = 19,693.26/x
  3. Step 3: Cross multiply
    33,121.44x = 45,695.34 × 19,693.26
  4. Step 4: Simplify right side
    33,121.44x = 899,890,211.41
  5. Step 5: Solve for x
    x = 899,890,211.41/33,121.44
  6. Step 6: Final answer
    x = 27,169.42

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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.