Home / 21,344.72-32,023.22-8,862.41

Finding the Fourth Proportional to 21,344.72, 32,023.22 and 8,862.41

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Solution

The fourth proportional to 21,344.72, 32,023.22 and 8,862.41 is: 13,296.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,344.72 : 32,023.22 = 8,862.41 : x
  2. Step 2: Convert to fraction form
    21,344.72/32,023.22 = 8,862.41/x
  3. Step 3: Cross multiply
    21,344.72x = 32,023.22 × 8,862.41
  4. Step 4: Simplify right side
    21,344.72x = 283,802,940.91
  5. Step 5: Solve for x
    x = 283,802,940.91/21,344.72
  6. Step 6: Final answer
    x = 13,296.17

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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.