Home / 33,005.55-45,550.08-18,858.09

Finding the Fourth Proportional to 33,005.55, 45,550.08 and 18,858.09

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Solution

The fourth proportional to 33,005.55, 45,550.08 and 18,858.09 is: 26,025.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,005.55 : 45,550.08 = 18,858.09 : x
  2. Step 2: Convert to fraction form
    33,005.55/45,550.08 = 18,858.09/x
  3. Step 3: Cross multiply
    33,005.55x = 45,550.08 × 18,858.09
  4. Step 4: Simplify right side
    33,005.55x = 858,987,508.15
  5. Step 5: Solve for x
    x = 858,987,508.15/33,005.55
  6. Step 6: Final answer
    x = 26,025.55

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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.