Home / 19,171.68-26,456.16-10,786.56

Finding the Fourth Proportional to 19,171.68, 26,456.16 and 10,786.56

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Solution

The fourth proportional to 19,171.68, 26,456.16 and 10,786.56 is: 14,885.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171.68 : 26,456.16 = 10,786.56 : x
  2. Step 2: Convert to fraction form
    19,171.68/26,456.16 = 10,786.56/x
  3. Step 3: Cross multiply
    19,171.68x = 26,456.16 × 10,786.56
  4. Step 4: Simplify right side
    19,171.68x = 285,370,957.21
  5. Step 5: Solve for x
    x = 285,370,957.21/19,171.68
  6. Step 6: Final answer
    x = 14,885.03

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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.