Home / 18,634.10-27,945.21-6,151.79

Finding the Fourth Proportional to 18,634.10, 27,945.21 and 6,151.79

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Solution

The fourth proportional to 18,634.10, 27,945.21 and 6,151.79 is: 9,225.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,634.10 : 27,945.21 = 6,151.79 : x
  2. Step 2: Convert to fraction form
    18,634.10/27,945.21 = 6,151.79/x
  3. Step 3: Cross multiply
    18,634.10x = 27,945.21 × 6,151.79
  4. Step 4: Simplify right side
    18,634.10x = 171,913,156.36
  5. Step 5: Solve for x
    x = 171,913,156.36/18,634.10
  6. Step 6: Final answer
    x = 9,225.73

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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.