Home / 13,724.36-20,586.60-3,336.08

Finding the Fourth Proportional to 13,724.36, 20,586.60 and 3,336.08

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Solution

The fourth proportional to 13,724.36, 20,586.60 and 3,336.08 is: 5,004.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,724.36 : 20,586.60 = 3,336.08 : x
  2. Step 2: Convert to fraction form
    13,724.36/20,586.60 = 3,336.08/x
  3. Step 3: Cross multiply
    13,724.36x = 20,586.60 × 3,336.08
  4. Step 4: Simplify right side
    13,724.36x = 68,678,544.53
  5. Step 5: Solve for x
    x = 68,678,544.53/13,724.36
  6. Step 6: Final answer
    x = 5,004.13

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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.