Home / 33,143.14-45,738.12-18,996.04

Finding the Fourth Proportional to 33,143.14, 45,738.12 and 18,996.04

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Solution

The fourth proportional to 33,143.14, 45,738.12 and 18,996.04 is: 26,214.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,143.14 : 45,738.12 = 18,996.04 : x
  2. Step 2: Convert to fraction form
    33,143.14/45,738.12 = 18,996.04/x
  3. Step 3: Cross multiply
    33,143.14x = 45,738.12 × 18,996.04
  4. Step 4: Simplify right side
    33,143.14x = 868,843,157.04
  5. Step 5: Solve for x
    x = 868,843,157.04/33,143.14
  6. Step 6: Final answer
    x = 26,214.87

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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.