Home / 19,842.74-29,760.66-6,515.54

Finding the Fourth Proportional to 19,842.74, 29,760.66 and 6,515.54

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Solution

The fourth proportional to 19,842.74, 29,760.66 and 6,515.54 is: 9,772.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,842.74 : 29,760.66 = 6,515.54 : x
  2. Step 2: Convert to fraction form
    19,842.74/29,760.66 = 6,515.54/x
  3. Step 3: Cross multiply
    19,842.74x = 29,760.66 × 6,515.54
  4. Step 4: Simplify right side
    19,842.74x = 193,906,770.66
  5. Step 5: Solve for x
    x = 193,906,770.66/19,842.74
  6. Step 6: Final answer
    x = 9,772.18

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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.