Home / 13,933.09-19,227.15-7,964.41

Finding the Fourth Proportional to 13,933.09, 19,227.15 and 7,964.41

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Solution

The fourth proportional to 13,933.09, 19,227.15 and 7,964.41 is: 10,990.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.09 : 19,227.15 = 7,964.41 : x
  2. Step 2: Convert to fraction form
    13,933.09/19,227.15 = 7,964.41/x
  3. Step 3: Cross multiply
    13,933.09x = 19,227.15 × 7,964.41
  4. Step 4: Simplify right side
    13,933.09x = 153,132,905.73
  5. Step 5: Solve for x
    x = 153,132,905.73/13,933.09
  6. Step 6: Final answer
    x = 10,990.59

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Why These Related Problems?

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