Home / 18,380.81-27,568.61-5,899.22

Finding the Fourth Proportional to 18,380.81, 27,568.61 and 5,899.22

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Solution

The fourth proportional to 18,380.81, 27,568.61 and 5,899.22 is: 8,847.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,380.81 : 27,568.61 = 5,899.22 : x
  2. Step 2: Convert to fraction form
    18,380.81/27,568.61 = 5,899.22/x
  3. Step 3: Cross multiply
    18,380.81x = 27,568.61 × 5,899.22
  4. Step 4: Simplify right side
    18,380.81x = 162,633,334.91
  5. Step 5: Solve for x
    x = 162,633,334.91/18,380.81
  6. Step 6: Final answer
    x = 8,847.99

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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.