Home / 33,072.64-45,640.96-18,169.60

Finding the Fourth Proportional to 33,072.64, 45,640.96 and 18,169.60

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Solution

The fourth proportional to 33,072.64, 45,640.96 and 18,169.60 is: 25,074.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,072.64 : 45,640.96 = 18,169.60 : x
  2. Step 2: Convert to fraction form
    33,072.64/45,640.96 = 18,169.60/x
  3. Step 3: Cross multiply
    33,072.64x = 45,640.96 × 18,169.60
  4. Step 4: Simplify right side
    33,072.64x = 829,277,986.82
  5. Step 5: Solve for x
    x = 829,277,986.82/33,072.64
  6. Step 6: Final answer
    x = 25,074.44

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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.