Home / 18,113.07-27,164.00-8,747.27

Finding the Fourth Proportional to 18,113.07, 27,164.00 and 8,747.27

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Solution

The fourth proportional to 18,113.07, 27,164.00 and 8,747.27 is: 13,118.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,113.07 : 27,164.00 = 8,747.27 : x
  2. Step 2: Convert to fraction form
    18,113.07/27,164.00 = 8,747.27/x
  3. Step 3: Cross multiply
    18,113.07x = 27,164.00 × 8,747.27
  4. Step 4: Simplify right side
    18,113.07x = 237,610,662.72
  5. Step 5: Solve for x
    x = 237,610,662.72/18,113.07
  6. Step 6: Final answer
    x = 13,118.19

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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.