Home / 33,321.30-45,984.63-18,214.97

Finding the Fourth Proportional to 33,321.30, 45,984.63 and 18,214.97

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Solution

The fourth proportional to 33,321.30, 45,984.63 and 18,214.97 is: 25,137.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,321.30 : 45,984.63 = 18,214.97 : x
  2. Step 2: Convert to fraction form
    33,321.30/45,984.63 = 18,214.97/x
  3. Step 3: Cross multiply
    33,321.30x = 45,984.63 × 18,214.97
  4. Step 4: Simplify right side
    33,321.30x = 837,608,425.99
  5. Step 5: Solve for x
    x = 837,608,425.99/33,321.30
  6. Step 6: Final answer
    x = 25,137.33

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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.