Home / 18,579.16-27,863.08-6,731.52

Finding the Fourth Proportional to 18,579.16, 27,863.08 and 6,731.52

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Solution

The fourth proportional to 18,579.16, 27,863.08 and 6,731.52 is: 10,095.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,579.16 : 27,863.08 = 6,731.52 : x
  2. Step 2: Convert to fraction form
    18,579.16/27,863.08 = 6,731.52/x
  3. Step 3: Cross multiply
    18,579.16x = 27,863.08 × 6,731.52
  4. Step 4: Simplify right side
    18,579.16x = 187,560,880.28
  5. Step 5: Solve for x
    x = 187,560,880.28/18,579.16
  6. Step 6: Final answer
    x = 10,095.23

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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.