Home / 18,348.20-27,503.06-8,975.28

Finding the Fourth Proportional to 18,348.20, 27,503.06 and 8,975.28

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Solution

The fourth proportional to 18,348.20, 27,503.06 and 8,975.28 is: 13,453.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348.20 : 27,503.06 = 8,975.28 : x
  2. Step 2: Convert to fraction form
    18,348.20/27,503.06 = 8,975.28/x
  3. Step 3: Cross multiply
    18,348.20x = 27,503.06 × 8,975.28
  4. Step 4: Simplify right side
    18,348.20x = 246,847,664.36
  5. Step 5: Solve for x
    x = 246,847,664.36/18,348.20
  6. Step 6: Final answer
    x = 13,453.51

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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.