Home / 33,140.72-45,735.27-18,996.23

Finding the Fourth Proportional to 33,140.72, 45,735.27 and 18,996.23

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Solution

The fourth proportional to 33,140.72, 45,735.27 and 18,996.23 is: 26,215.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,140.72 : 45,735.27 = 18,996.23 : x
  2. Step 2: Convert to fraction form
    33,140.72/45,735.27 = 18,996.23/x
  3. Step 3: Cross multiply
    33,140.72x = 45,735.27 × 18,996.23
  4. Step 4: Simplify right side
    33,140.72x = 868,797,708.03
  5. Step 5: Solve for x
    x = 868,797,708.03/33,140.72
  6. Step 6: Final answer
    x = 26,215.41

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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.