Home / 11,939.16-17,821.11-11,059.50

Finding the Fourth Proportional to 11,939.16, 17,821.11 and 11,059.50

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Solution

The fourth proportional to 11,939.16, 17,821.11 and 11,059.50 is: 16,508.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939.16 : 17,821.11 = 11,059.50 : x
  2. Step 2: Convert to fraction form
    11,939.16/17,821.11 = 11,059.50/x
  3. Step 3: Cross multiply
    11,939.16x = 17,821.11 × 11,059.50
  4. Step 4: Simplify right side
    11,939.16x = 197,092,566.05
  5. Step 5: Solve for x
    x = 197,092,566.05/11,939.16
  6. Step 6: Final answer
    x = 16,508.08

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.