Home / 18,274.80-27,395.64-6,579.75

Finding the Fourth Proportional to 18,274.80, 27,395.64 and 6,579.75

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Solution

The fourth proportional to 18,274.80, 27,395.64 and 6,579.75 is: 9,863.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,274.80 : 27,395.64 = 6,579.75 : x
  2. Step 2: Convert to fraction form
    18,274.80/27,395.64 = 6,579.75/x
  3. Step 3: Cross multiply
    18,274.80x = 27,395.64 × 6,579.75
  4. Step 4: Simplify right side
    18,274.80x = 180,256,462.29
  5. Step 5: Solve for x
    x = 180,256,462.29/18,274.80
  6. Step 6: Final answer
    x = 9,863.66

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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.