Home / 27,144.64-40,743.24-13,114.54

Finding the Fourth Proportional to 27,144.64, 40,743.24 and 13,114.54

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Solution

The fourth proportional to 27,144.64, 40,743.24 and 13,114.54 is: 19,684.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,144.64 : 40,743.24 = 13,114.54 : x
  2. Step 2: Convert to fraction form
    27,144.64/40,743.24 = 13,114.54/x
  3. Step 3: Cross multiply
    27,144.64x = 40,743.24 × 13,114.54
  4. Step 4: Simplify right side
    27,144.64x = 534,328,850.71
  5. Step 5: Solve for x
    x = 534,328,850.71/27,144.64
  6. Step 6: Final answer
    x = 19,684.51

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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.