Home / 27,429.43-41,143.78-6,653.11

Finding the Fourth Proportional to 27,429.43, 41,143.78 and 6,653.11

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Solution

The fourth proportional to 27,429.43, 41,143.78 and 6,653.11 is: 9,979.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,429.43 : 41,143.78 = 6,653.11 : x
  2. Step 2: Convert to fraction form
    27,429.43/41,143.78 = 6,653.11/x
  3. Step 3: Cross multiply
    27,429.43x = 41,143.78 × 6,653.11
  4. Step 4: Simplify right side
    27,429.43x = 273,734,094.16
  5. Step 5: Solve for x
    x = 273,734,094.16/27,429.43
  6. Step 6: Final answer
    x = 9,979.58

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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.