Home / 13,724.28-20,586.42-3,336

Finding the Fourth Proportional to 13,724.28, 20,586.42 and 3,336

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Solution

The fourth proportional to 13,724.28, 20,586.42 and 3,336 is: 5,004.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,724.28 : 20,586.42 = 3,336 : x
  2. Step 2: Convert to fraction form
    13,724.28/20,586.42 = 3,336/x
  3. Step 3: Cross multiply
    13,724.28x = 20,586.42 × 3,336
  4. Step 4: Simplify right side
    13,724.28x = 68,676,297.12
  5. Step 5: Solve for x
    x = 68,676,297.12/13,724.28
  6. Step 6: Final answer
    x = 5,004.00

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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.