Home / 19,711.14-29,570.60-7,231.27

Finding the Fourth Proportional to 19,711.14, 29,570.60 and 7,231.27

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Solution

The fourth proportional to 19,711.14, 29,570.60 and 7,231.27 is: 10,848.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,711.14 : 29,570.60 = 7,231.27 : x
  2. Step 2: Convert to fraction form
    19,711.14/29,570.60 = 7,231.27/x
  3. Step 3: Cross multiply
    19,711.14x = 29,570.60 × 7,231.27
  4. Step 4: Simplify right side
    19,711.14x = 213,832,992.66
  5. Step 5: Solve for x
    x = 213,832,992.66/19,711.14
  6. Step 6: Final answer
    x = 10,848.33

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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.