Home / 12,781.14-19,171.86-4,016.04

Finding the Fourth Proportional to 12,781.14, 19,171.86 and 4,016.04

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Solution

The fourth proportional to 12,781.14, 19,171.86 and 4,016.04 is: 6,024.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,781.14 : 19,171.86 = 4,016.04 : x
  2. Step 2: Convert to fraction form
    12,781.14/19,171.86 = 4,016.04/x
  3. Step 3: Cross multiply
    12,781.14x = 19,171.86 × 4,016.04
  4. Step 4: Simplify right side
    12,781.14x = 76,994,956.63
  5. Step 5: Solve for x
    x = 76,994,956.63/12,781.14
  6. Step 6: Final answer
    x = 6,024.11

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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.