Home / 19,179.09-28,764.05-7,330.41

Finding the Fourth Proportional to 19,179.09, 28,764.05 and 7,330.41

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Solution

The fourth proportional to 19,179.09, 28,764.05 and 7,330.41 is: 10,993.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179.09 : 28,764.05 = 7,330.41 : x
  2. Step 2: Convert to fraction form
    19,179.09/28,764.05 = 7,330.41/x
  3. Step 3: Cross multiply
    19,179.09x = 28,764.05 × 7,330.41
  4. Step 4: Simplify right side
    19,179.09x = 210,852,243.11
  5. Step 5: Solve for x
    x = 210,852,243.11/19,179.09
  6. Step 6: Final answer
    x = 10,993.86

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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.