Home / 18,112.96-27,169.42-4,966.36

Finding the Fourth Proportional to 18,112.96, 27,169.42 and 4,966.36

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Solution

The fourth proportional to 18,112.96, 27,169.42 and 4,966.36 is: 7,449.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112.96 : 27,169.42 = 4,966.36 : x
  2. Step 2: Convert to fraction form
    18,112.96/27,169.42 = 4,966.36/x
  3. Step 3: Cross multiply
    18,112.96x = 27,169.42 × 4,966.36
  4. Step 4: Simplify right side
    18,112.96x = 134,932,960.03
  5. Step 5: Solve for x
    x = 134,932,960.03/18,112.96
  6. Step 6: Final answer
    x = 7,449.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.