Home / 33,003.23-45,540.09-18,665.01

Finding the Fourth Proportional to 33,003.23, 45,540.09 and 18,665.01

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Solution

The fourth proportional to 33,003.23, 45,540.09 and 18,665.01 is: 25,755.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,003.23 : 45,540.09 = 18,665.01 : x
  2. Step 2: Convert to fraction form
    33,003.23/45,540.09 = 18,665.01/x
  3. Step 3: Cross multiply
    33,003.23x = 45,540.09 × 18,665.01
  4. Step 4: Simplify right side
    33,003.23x = 850,006,235.25
  5. Step 5: Solve for x
    x = 850,006,235.25/33,003.23
  6. Step 6: Final answer
    x = 25,755.25

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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.