Home / 21,733.08-29,990.00-13,234.25

Finding the Fourth Proportional to 21,733.08, 29,990.00 and 13,234.25

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Solution

The fourth proportional to 21,733.08, 29,990.00 and 13,234.25 is: 18,262.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,733.08 : 29,990.00 = 13,234.25 : x
  2. Step 2: Convert to fraction form
    21,733.08/29,990.00 = 13,234.25/x
  3. Step 3: Cross multiply
    21,733.08x = 29,990.00 × 13,234.25
  4. Step 4: Simplify right side
    21,733.08x = 396,895,254.38
  5. Step 5: Solve for x
    x = 396,895,254.38/21,733.08
  6. Step 6: Final answer
    x = 18,262.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.