Home / 19,656.89-27,127.17-10,704.54

Finding the Fourth Proportional to 19,656.89, 27,127.17 and 10,704.54

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Solution

The fourth proportional to 19,656.89, 27,127.17 and 10,704.54 is: 14,772.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,656.89 : 27,127.17 = 10,704.54 : x
  2. Step 2: Convert to fraction form
    19,656.89/27,127.17 = 10,704.54/x
  3. Step 3: Cross multiply
    19,656.89x = 27,127.17 × 10,704.54
  4. Step 4: Simplify right side
    19,656.89x = 290,383,876.35
  5. Step 5: Solve for x
    x = 290,383,876.35/19,656.89
  6. Step 6: Final answer
    x = 14,772.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.