Home / 13,910.20-19,186.20-8,607.52

Finding the Fourth Proportional to 13,910.20, 19,186.20 and 8,607.52

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Solution

The fourth proportional to 13,910.20, 19,186.20 and 8,607.52 is: 11,872.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910.20 : 19,186.20 = 8,607.52 : x
  2. Step 2: Convert to fraction form
    13,910.20/19,186.20 = 8,607.52/x
  3. Step 3: Cross multiply
    13,910.20x = 19,186.20 × 8,607.52
  4. Step 4: Simplify right side
    13,910.20x = 165,145,600.22
  5. Step 5: Solve for x
    x = 165,145,600.22/13,910.20
  6. Step 6: Final answer
    x = 11,872.27

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