Home / 18,575.22-27,863.10-5,424.60

Finding the Fourth Proportional to 18,575.22, 27,863.10 and 5,424.60

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Solution

The fourth proportional to 18,575.22, 27,863.10 and 5,424.60 is: 8,136.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,575.22 : 27,863.10 = 5,424.60 : x
  2. Step 2: Convert to fraction form
    18,575.22/27,863.10 = 5,424.60/x
  3. Step 3: Cross multiply
    18,575.22x = 27,863.10 × 5,424.60
  4. Step 4: Simplify right side
    18,575.22x = 151,146,172.26
  5. Step 5: Solve for x
    x = 151,146,172.26/18,575.22
  6. Step 6: Final answer
    x = 8,136.98

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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.