Home / 13,224.39-19,836.66-5,330.54

Finding the Fourth Proportional to 13,224.39, 19,836.66 and 5,330.54

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Solution

The fourth proportional to 13,224.39, 19,836.66 and 5,330.54 is: 7,995.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.39 : 19,836.66 = 5,330.54 : x
  2. Step 2: Convert to fraction form
    13,224.39/19,836.66 = 5,330.54/x
  3. Step 3: Cross multiply
    13,224.39x = 19,836.66 × 5,330.54
  4. Step 4: Simplify right side
    13,224.39x = 105,740,010.41
  5. Step 5: Solve for x
    x = 105,740,010.41/13,224.39
  6. Step 6: Final answer
    x = 7,995.83

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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.