Home / 33,140.66-45,735.71-18,993.54

Finding the Fourth Proportional to 33,140.66, 45,735.71 and 18,993.54

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Solution

The fourth proportional to 33,140.66, 45,735.71 and 18,993.54 is: 26,212.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,140.66 : 45,735.71 = 18,993.54 : x
  2. Step 2: Convert to fraction form
    33,140.66/45,735.71 = 18,993.54/x
  3. Step 3: Cross multiply
    33,140.66x = 45,735.71 × 18,993.54
  4. Step 4: Simplify right side
    33,140.66x = 868,682,942.35
  5. Step 5: Solve for x
    x = 868,682,942.35/33,140.66
  6. Step 6: Final answer
    x = 26,212.00

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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.