Home / 13,724.38-20,586.42-3,336.14

Finding the Fourth Proportional to 13,724.38, 20,586.42 and 3,336.14

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Solution

The fourth proportional to 13,724.38, 20,586.42 and 3,336.14 is: 5,004.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,724.38 : 20,586.42 = 3,336.14 : x
  2. Step 2: Convert to fraction form
    13,724.38/20,586.42 = 3,336.14/x
  3. Step 3: Cross multiply
    13,724.38x = 20,586.42 × 3,336.14
  4. Step 4: Simplify right side
    13,724.38x = 68,679,179.22
  5. Step 5: Solve for x
    x = 68,679,179.22/13,724.38
  6. Step 6: Final answer
    x = 5,004.17

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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.