Home / 19,195.76-28,802-6,724.73

Finding the Fourth Proportional to 19,195.76, 28,802 and 6,724.73

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Solution

The fourth proportional to 19,195.76, 28,802 and 6,724.73 is: 10,090.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,195.76 : 28,802 = 6,724.73 : x
  2. Step 2: Convert to fraction form
    19,195.76/28,802 = 6,724.73/x
  3. Step 3: Cross multiply
    19,195.76x = 28,802 × 6,724.73
  4. Step 4: Simplify right side
    19,195.76x = 193,685,673.46
  5. Step 5: Solve for x
    x = 193,685,673.46/19,195.76
  6. Step 6: Final answer
    x = 10,090.02

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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.