Home / 21,396.52-32,093.28-6,603.88

Finding the Fourth Proportional to 21,396.52, 32,093.28 and 6,603.88

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Solution

The fourth proportional to 21,396.52, 32,093.28 and 6,603.88 is: 9,905.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,396.52 : 32,093.28 = 6,603.88 : x
  2. Step 2: Convert to fraction form
    21,396.52/32,093.28 = 6,603.88/x
  3. Step 3: Cross multiply
    21,396.52x = 32,093.28 × 6,603.88
  4. Step 4: Simplify right side
    21,396.52x = 211,940,169.93
  5. Step 5: Solve for x
    x = 211,940,169.93/21,396.52
  6. Step 6: Final answer
    x = 9,905.36

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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.