Home / 33,321.14-45,983.06-18,213.80

Finding the Fourth Proportional to 33,321.14, 45,983.06 and 18,213.80

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Solution

The fourth proportional to 33,321.14, 45,983.06 and 18,213.80 is: 25,134.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,321.14 : 45,983.06 = 18,213.80 : x
  2. Step 2: Convert to fraction form
    33,321.14/45,983.06 = 18,213.80/x
  3. Step 3: Cross multiply
    33,321.14x = 45,983.06 × 18,213.80
  4. Step 4: Simplify right side
    33,321.14x = 837,526,005.55
  5. Step 5: Solve for x
    x = 837,526,005.55/33,321.14
  6. Step 6: Final answer
    x = 25,134.98

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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.