Home / 14,179.82-21,268.11-3,792.38

Finding the Fourth Proportional to 14,179.82, 21,268.11 and 3,792.38

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Solution

The fourth proportional to 14,179.82, 21,268.11 and 3,792.38 is: 5,688.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179.82 : 21,268.11 = 3,792.38 : x
  2. Step 2: Convert to fraction form
    14,179.82/21,268.11 = 3,792.38/x
  3. Step 3: Cross multiply
    14,179.82x = 21,268.11 × 3,792.38
  4. Step 4: Simplify right side
    14,179.82x = 80,656,648.66
  5. Step 5: Solve for x
    x = 80,656,648.66/14,179.82
  6. Step 6: Final answer
    x = 5,688.13

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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.