Home / 18,061.17-27,091.62-4,913.43

Finding the Fourth Proportional to 18,061.17, 27,091.62 and 4,913.43

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Solution

The fourth proportional to 18,061.17, 27,091.62 and 4,913.43 is: 7,370.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,061.17 : 27,091.62 = 4,913.43 : x
  2. Step 2: Convert to fraction form
    18,061.17/27,091.62 = 4,913.43/x
  3. Step 3: Cross multiply
    18,061.17x = 27,091.62 × 4,913.43
  4. Step 4: Simplify right side
    18,061.17x = 133,112,778.46
  5. Step 5: Solve for x
    x = 133,112,778.46/18,061.17
  6. Step 6: Final answer
    x = 7,370.11

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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.