Home / 27,942.66-41,913.36-13,143.36

Finding the Fourth Proportional to 27,942.66, 41,913.36 and 13,143.36

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Solution

The fourth proportional to 27,942.66, 41,913.36 and 13,143.36 is: 19,714.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,942.66 : 41,913.36 = 13,143.36 : x
  2. Step 2: Convert to fraction form
    27,942.66/41,913.36 = 13,143.36/x
  3. Step 3: Cross multiply
    27,942.66x = 41,913.36 × 13,143.36
  4. Step 4: Simplify right side
    27,942.66x = 550,882,379.29
  5. Step 5: Solve for x
    x = 550,882,379.29/27,942.66
  6. Step 6: Final answer
    x = 19,714.74

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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.