Home / 21,456.72-32,185.08-7,596

Finding the Fourth Proportional to 21,456.72, 32,185.08 and 7,596

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Solution

The fourth proportional to 21,456.72, 32,185.08 and 7,596 is: 11,394

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,456.72 : 32,185.08 = 7,596 : x
  2. Step 2: Convert to fraction form
    21,456.72/32,185.08 = 7,596/x
  3. Step 3: Cross multiply
    21,456.72x = 32,185.08 × 7,596
  4. Step 4: Simplify right side
    21,456.72x = 244,477,867.68
  5. Step 5: Solve for x
    x = 244,477,867.68/21,456.72
  6. Step 6: Final answer
    x = 11,394

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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.