Home / 33,201.28-45,812.54-18,662.60

Finding the Fourth Proportional to 33,201.28, 45,812.54 and 18,662.60

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Solution

The fourth proportional to 33,201.28, 45,812.54 and 18,662.60 is: 25,751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,201.28 : 45,812.54 = 18,662.60 : x
  2. Step 2: Convert to fraction form
    33,201.28/45,812.54 = 18,662.60/x
  3. Step 3: Cross multiply
    33,201.28x = 45,812.54 × 18,662.60
  4. Step 4: Simplify right side
    33,201.28x = 854,981,109.00
  5. Step 5: Solve for x
    x = 854,981,109.00/33,201.28
  6. Step 6: Final answer
    x = 25,751.45

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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.