Home / 18,168.60-27,256.14-5,020.68

Finding the Fourth Proportional to 18,168.60, 27,256.14 and 5,020.68

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Solution

The fourth proportional to 18,168.60, 27,256.14 and 5,020.68 is: 7,531.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,168.60 : 27,256.14 = 5,020.68 : x
  2. Step 2: Convert to fraction form
    18,168.60/27,256.14 = 5,020.68/x
  3. Step 3: Cross multiply
    18,168.60x = 27,256.14 × 5,020.68
  4. Step 4: Simplify right side
    18,168.60x = 136,844,356.98
  5. Step 5: Solve for x
    x = 136,844,356.98/18,168.60
  6. Step 6: Final answer
    x = 7,531.92

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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.