Home / 21,484.31-32,239.22-11,623.37

Finding the Fourth Proportional to 21,484.31, 32,239.22 and 11,623.37

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Solution

The fourth proportional to 21,484.31, 32,239.22 and 11,623.37 is: 17,441.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,484.31 : 32,239.22 = 11,623.37 : x
  2. Step 2: Convert to fraction form
    21,484.31/32,239.22 = 11,623.37/x
  3. Step 3: Cross multiply
    21,484.31x = 32,239.22 × 11,623.37
  4. Step 4: Simplify right side
    21,484.31x = 374,728,163.26
  5. Step 5: Solve for x
    x = 374,728,163.26/21,484.31
  6. Step 6: Final answer
    x = 17,441.95

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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.