Home / 21,849.76-32,775-6,267.39

Finding the Fourth Proportional to 21,849.76, 32,775 and 6,267.39

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Solution

The fourth proportional to 21,849.76, 32,775 and 6,267.39 is: 9,401.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,849.76 : 32,775 = 6,267.39 : x
  2. Step 2: Convert to fraction form
    21,849.76/32,775 = 6,267.39/x
  3. Step 3: Cross multiply
    21,849.76x = 32,775 × 6,267.39
  4. Step 4: Simplify right side
    21,849.76x = 205,413,707.25
  5. Step 5: Solve for x
    x = 205,413,707.25/21,849.76
  6. Step 6: Final answer
    x = 9,401.19

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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.