Home / 21,855.12-32,792.28-11,464.44

Finding the Fourth Proportional to 21,855.12, 32,792.28 and 11,464.44

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Solution

The fourth proportional to 21,855.12, 32,792.28 and 11,464.44 is: 17,201.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,855.12 : 32,792.28 = 11,464.44 : x
  2. Step 2: Convert to fraction form
    21,855.12/32,792.28 = 11,464.44/x
  3. Step 3: Cross multiply
    21,855.12x = 32,792.28 × 11,464.44
  4. Step 4: Simplify right side
    21,855.12x = 375,945,126.52
  5. Step 5: Solve for x
    x = 375,945,126.52/21,855.12
  6. Step 6: Final answer
    x = 17,201.70

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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.