Home / 13,301.28-19,958.65-8,861.97

Finding the Fourth Proportional to 13,301.28, 19,958.65 and 8,861.97

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Solution

The fourth proportional to 13,301.28, 19,958.65 and 8,861.97 is: 13,297.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.28 : 19,958.65 = 8,861.97 : x
  2. Step 2: Convert to fraction form
    13,301.28/19,958.65 = 8,861.97/x
  3. Step 3: Cross multiply
    13,301.28x = 19,958.65 × 8,861.97
  4. Step 4: Simplify right side
    13,301.28x = 176,872,957.54
  5. Step 5: Solve for x
    x = 176,872,957.54/13,301.28
  6. Step 6: Final answer
    x = 13,297.44

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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.