Home / 18,268.89-27,406.79-5,792.06

Finding the Fourth Proportional to 18,268.89, 27,406.79 and 5,792.06

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Solution

The fourth proportional to 18,268.89, 27,406.79 and 5,792.06 is: 8,689.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,268.89 : 27,406.79 = 5,792.06 : x
  2. Step 2: Convert to fraction form
    18,268.89/27,406.79 = 5,792.06/x
  3. Step 3: Cross multiply
    18,268.89x = 27,406.79 × 5,792.06
  4. Step 4: Simplify right side
    18,268.89x = 158,741,703.64
  5. Step 5: Solve for x
    x = 158,741,703.64/18,268.89
  6. Step 6: Final answer
    x = 8,689.18

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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.