Home / 33,178.75-45,786.68-18,274.75

Finding the Fourth Proportional to 33,178.75, 45,786.68 and 18,274.75

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Solution

The fourth proportional to 33,178.75, 45,786.68 and 18,274.75 is: 25,219.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,178.75 : 45,786.68 = 18,274.75 : x
  2. Step 2: Convert to fraction form
    33,178.75/45,786.68 = 18,274.75/x
  3. Step 3: Cross multiply
    33,178.75x = 45,786.68 × 18,274.75
  4. Step 4: Simplify right side
    33,178.75x = 836,740,130.33
  5. Step 5: Solve for x
    x = 836,740,130.33/33,178.75
  6. Step 6: Final answer
    x = 25,219.16

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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.