Home / 27,665.31-41,505.66-13,629.42

Finding the Fourth Proportional to 27,665.31, 41,505.66 and 13,629.42

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Solution

The fourth proportional to 27,665.31, 41,505.66 and 13,629.42 is: 20,447.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,665.31 : 41,505.66 = 13,629.42 : x
  2. Step 2: Convert to fraction form
    27,665.31/41,505.66 = 13,629.42/x
  3. Step 3: Cross multiply
    27,665.31x = 41,505.66 × 13,629.42
  4. Step 4: Simplify right side
    27,665.31x = 565,698,072.52
  5. Step 5: Solve for x
    x = 565,698,072.52/27,665.31
  6. Step 6: Final answer
    x = 20,447.92

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1.5x scale

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.