Home / 20,474.44-28,254.64-11,522.09

Finding the Fourth Proportional to 20,474.44, 28,254.64 and 11,522.09

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Solution

The fourth proportional to 20,474.44, 28,254.64 and 11,522.09 is: 15,900.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,474.44 : 28,254.64 = 11,522.09 : x
  2. Step 2: Convert to fraction form
    20,474.44/28,254.64 = 11,522.09/x
  3. Step 3: Cross multiply
    20,474.44x = 28,254.64 × 11,522.09
  4. Step 4: Simplify right side
    20,474.44x = 325,552,505.00
  5. Step 5: Solve for x
    x = 325,552,505.00/20,474.44
  6. Step 6: Final answer
    x = 15,900.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.