Home / 33,169.80-45,774.34-18,265.80

Finding the Fourth Proportional to 33,169.80, 45,774.34 and 18,265.80

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Solution

The fourth proportional to 33,169.80, 45,774.34 and 18,265.80 is: 25,206.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,169.80 : 45,774.34 = 18,265.80 : x
  2. Step 2: Convert to fraction form
    33,169.80/45,774.34 = 18,265.80/x
  3. Step 3: Cross multiply
    33,169.80x = 45,774.34 × 18,265.80
  4. Step 4: Simplify right side
    33,169.80x = 836,104,939.57
  5. Step 5: Solve for x
    x = 836,104,939.57/33,169.80
  6. Step 6: Final answer
    x = 25,206.81

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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.