Home / 33,076.14-45,646.11-18,928.14

Finding the Fourth Proportional to 33,076.14, 45,646.11 and 18,928.14

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Solution

The fourth proportional to 33,076.14, 45,646.11 and 18,928.14 is: 26,121.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,076.14 : 45,646.11 = 18,928.14 : x
  2. Step 2: Convert to fraction form
    33,076.14/45,646.11 = 18,928.14/x
  3. Step 3: Cross multiply
    33,076.14x = 45,646.11 × 18,928.14
  4. Step 4: Simplify right side
    33,076.14x = 863,995,960.54
  5. Step 5: Solve for x
    x = 863,995,960.54/33,076.14
  6. Step 6: Final answer
    x = 26,121.43

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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.