Home / 14,419.18-21,644.97-11,171.44

Finding the Fourth Proportional to 14,419.18, 21,644.97 and 11,171.44

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Solution

The fourth proportional to 14,419.18, 21,644.97 and 11,171.44 is: 16,769.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,419.18 : 21,644.97 = 11,171.44 : x
  2. Step 2: Convert to fraction form
    14,419.18/21,644.97 = 11,171.44/x
  3. Step 3: Cross multiply
    14,419.18x = 21,644.97 × 11,171.44
  4. Step 4: Simplify right side
    14,419.18x = 241,805,483.66
  5. Step 5: Solve for x
    x = 241,805,483.66/14,419.18
  6. Step 6: Final answer
    x = 16,769.71

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1.5x scale

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.