Home / 18,086.44-27,133.89-5,605.81

Finding the Fourth Proportional to 18,086.44, 27,133.89 and 5,605.81

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Solution

The fourth proportional to 18,086.44, 27,133.89 and 5,605.81 is: 8,410.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,086.44 : 27,133.89 = 5,605.81 : x
  2. Step 2: Convert to fraction form
    18,086.44/27,133.89 = 5,605.81/x
  3. Step 3: Cross multiply
    18,086.44x = 27,133.89 × 5,605.81
  4. Step 4: Simplify right side
    18,086.44x = 152,107,431.90
  5. Step 5: Solve for x
    x = 152,107,431.90/18,086.44
  6. Step 6: Final answer
    x = 8,410.03

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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.