Home / 19,861.08-29,781.90-11,093.64

Finding the Fourth Proportional to 19,861.08, 29,781.90 and 11,093.64

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Solution

The fourth proportional to 19,861.08, 29,781.90 and 11,093.64 is: 16,635.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,861.08 : 29,781.90 = 11,093.64 : x
  2. Step 2: Convert to fraction form
    19,861.08/29,781.90 = 11,093.64/x
  3. Step 3: Cross multiply
    19,861.08x = 29,781.90 × 11,093.64
  4. Step 4: Simplify right side
    19,861.08x = 330,389,677.12
  5. Step 5: Solve for x
    x = 330,389,677.12/19,861.08
  6. Step 6: Final answer
    x = 16,635.03

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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.