Home / 33,003.56-45,542.10-18,853.64

Finding the Fourth Proportional to 33,003.56, 45,542.10 and 18,853.64

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Solution

The fourth proportional to 33,003.56, 45,542.10 and 18,853.64 is: 26,016.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,003.56 : 45,542.10 = 18,853.64 : x
  2. Step 2: Convert to fraction form
    33,003.56/45,542.10 = 18,853.64/x
  3. Step 3: Cross multiply
    33,003.56x = 45,542.10 × 18,853.64
  4. Step 4: Simplify right side
    33,003.56x = 858,634,358.24
  5. Step 5: Solve for x
    x = 858,634,358.24/33,003.56
  6. Step 6: Final answer
    x = 26,016.42

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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.