Home / 33,187.14-45,788.49-19,751.64

Finding the Fourth Proportional to 33,187.14, 45,788.49 and 19,751.64

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Solution

The fourth proportional to 33,187.14, 45,788.49 and 19,751.64 is: 27,251.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,187.14 : 45,788.49 = 19,751.64 : x
  2. Step 2: Convert to fraction form
    33,187.14/45,788.49 = 19,751.64/x
  3. Step 3: Cross multiply
    33,187.14x = 45,788.49 × 19,751.64
  4. Step 4: Simplify right side
    33,187.14x = 904,397,770.62
  5. Step 5: Solve for x
    x = 904,397,770.62/33,187.14
  6. Step 6: Final answer
    x = 27,251.45

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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.