Home / 19,818.25-27,349.19-11,861.62

Finding the Fourth Proportional to 19,818.25, 27,349.19 and 11,861.62

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Solution

The fourth proportional to 19,818.25, 27,349.19 and 11,861.62 is: 16,369.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.25 : 27,349.19 = 11,861.62 : x
  2. Step 2: Convert to fraction form
    19,818.25/27,349.19 = 11,861.62/x
  3. Step 3: Cross multiply
    19,818.25x = 27,349.19 × 11,861.62
  4. Step 4: Simplify right side
    19,818.25x = 324,405,699.09
  5. Step 5: Solve for x
    x = 324,405,699.09/19,818.25
  6. Step 6: Final answer
    x = 16,369.04

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1.5x scale

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.