Home / 13,224.60-19,836.81-3,363.75

Finding the Fourth Proportional to 13,224.60, 19,836.81 and 3,363.75

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Solution

The fourth proportional to 13,224.60, 19,836.81 and 3,363.75 is: 5,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.60 : 19,836.81 = 3,363.75 : x
  2. Step 2: Convert to fraction form
    13,224.60/19,836.81 = 3,363.75/x
  3. Step 3: Cross multiply
    13,224.60x = 19,836.81 × 3,363.75
  4. Step 4: Simplify right side
    13,224.60x = 66,726,069.64
  5. Step 5: Solve for x
    x = 66,726,069.64/13,224.60
  6. Step 6: Final answer
    x = 5,045.60

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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.