Home / 21,474.52-32,177.15-11,618.44

Finding the Fourth Proportional to 21,474.52, 32,177.15 and 11,618.44

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Solution

The fourth proportional to 21,474.52, 32,177.15 and 11,618.44 is: 17,408.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,474.52 : 32,177.15 = 11,618.44 : x
  2. Step 2: Convert to fraction form
    21,474.52/32,177.15 = 11,618.44/x
  3. Step 3: Cross multiply
    21,474.52x = 32,177.15 × 11,618.44
  4. Step 4: Simplify right side
    21,474.52x = 373,848,191.68
  5. Step 5: Solve for x
    x = 373,848,191.68/21,474.52
  6. Step 6: Final answer
    x = 17,408.92

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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.