Home / 21,645.14-32,463.60-7,601.87

Finding the Fourth Proportional to 21,645.14, 32,463.60 and 7,601.87

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Solution

The fourth proportional to 21,645.14, 32,463.60 and 7,601.87 is: 11,401.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,645.14 : 32,463.60 = 7,601.87 : x
  2. Step 2: Convert to fraction form
    21,645.14/32,463.60 = 7,601.87/x
  3. Step 3: Cross multiply
    21,645.14x = 32,463.60 × 7,601.87
  4. Step 4: Simplify right side
    21,645.14x = 246,783,904.61
  5. Step 5: Solve for x
    x = 246,783,904.61/21,645.14
  6. Step 6: Final answer
    x = 11,401.36

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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.