Home / 33,076.26-45,647.28-18,928.80

Finding the Fourth Proportional to 33,076.26, 45,647.28 and 18,928.80

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Solution

The fourth proportional to 33,076.26, 45,647.28 and 18,928.80 is: 26,122.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,076.26 : 45,647.28 = 18,928.80 : x
  2. Step 2: Convert to fraction form
    33,076.26/45,647.28 = 18,928.80/x
  3. Step 3: Cross multiply
    33,076.26x = 45,647.28 × 18,928.80
  4. Step 4: Simplify right side
    33,076.26x = 864,048,233.66
  5. Step 5: Solve for x
    x = 864,048,233.66/33,076.26
  6. Step 6: Final answer
    x = 26,122.91

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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.