Home / 33,003.60-45,544.41-18,663.21

Finding the Fourth Proportional to 33,003.60, 45,544.41 and 18,663.21

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Solution

The fourth proportional to 33,003.60, 45,544.41 and 18,663.21 is: 25,754.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,003.60 : 45,544.41 = 18,663.21 : x
  2. Step 2: Convert to fraction form
    33,003.60/45,544.41 = 18,663.21/x
  3. Step 3: Cross multiply
    33,003.60x = 45,544.41 × 18,663.21
  4. Step 4: Simplify right side
    33,003.60x = 850,004,888.16
  5. Step 5: Solve for x
    x = 850,004,888.16/33,003.60
  6. Step 6: Final answer
    x = 25,754.91

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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.