Home / 21,391.24-32,064.22-8,058.46

Finding the Fourth Proportional to 21,391.24, 32,064.22 and 8,058.46

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Solution

The fourth proportional to 21,391.24, 32,064.22 and 8,058.46 is: 12,079.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,391.24 : 32,064.22 = 8,058.46 : x
  2. Step 2: Convert to fraction form
    21,391.24/32,064.22 = 8,058.46/x
  3. Step 3: Cross multiply
    21,391.24x = 32,064.22 × 8,058.46
  4. Step 4: Simplify right side
    21,391.24x = 258,388,234.30
  5. Step 5: Solve for x
    x = 258,388,234.30/21,391.24
  6. Step 6: Final answer
    x = 12,079.16

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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.