Home / 20,050.12-27,670.98-11,665

Finding the Fourth Proportional to 20,050.12, 27,670.98 and 11,665

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Solution

The fourth proportional to 20,050.12, 27,670.98 and 11,665 is: 16,098.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050.12 : 27,670.98 = 11,665 : x
  2. Step 2: Convert to fraction form
    20,050.12/27,670.98 = 11,665/x
  3. Step 3: Cross multiply
    20,050.12x = 27,670.98 × 11,665
  4. Step 4: Simplify right side
    20,050.12x = 322,781,981.70
  5. Step 5: Solve for x
    x = 322,781,981.70/20,050.12
  6. Step 6: Final answer
    x = 16,098.76

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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.