Home / 19,046.54-28,551.22-7,956.38

Finding the Fourth Proportional to 19,046.54, 28,551.22 and 7,956.38

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Solution

The fourth proportional to 19,046.54, 28,551.22 and 7,956.38 is: 11,926.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,046.54 : 28,551.22 = 7,956.38 : x
  2. Step 2: Convert to fraction form
    19,046.54/28,551.22 = 7,956.38/x
  3. Step 3: Cross multiply
    19,046.54x = 28,551.22 × 7,956.38
  4. Step 4: Simplify right side
    19,046.54x = 227,164,355.78
  5. Step 5: Solve for x
    x = 227,164,355.78/19,046.54
  6. Step 6: Final answer
    x = 11,926.80

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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.