Home / 27,167.36-40,742.62-13,118.65

Finding the Fourth Proportional to 27,167.36, 40,742.62 and 13,118.65

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Solution

The fourth proportional to 27,167.36, 40,742.62 and 13,118.65 is: 19,673.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,167.36 : 40,742.62 = 13,118.65 : x
  2. Step 2: Convert to fraction form
    27,167.36/40,742.62 = 13,118.65/x
  3. Step 3: Cross multiply
    27,167.36x = 40,742.62 × 13,118.65
  4. Step 4: Simplify right side
    27,167.36x = 534,488,037.21
  5. Step 5: Solve for x
    x = 534,488,037.21/27,167.36
  6. Step 6: Final answer
    x = 19,673.91

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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.