Home / 13,022.71-19,534.10-3,161.97

Finding the Fourth Proportional to 13,022.71, 19,534.10 and 3,161.97

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Solution

The fourth proportional to 13,022.71, 19,534.10 and 3,161.97 is: 4,742.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,022.71 : 19,534.10 = 3,161.97 : x
  2. Step 2: Convert to fraction form
    13,022.71/19,534.10 = 3,161.97/x
  3. Step 3: Cross multiply
    13,022.71x = 19,534.10 × 3,161.97
  4. Step 4: Simplify right side
    13,022.71x = 61,766,238.18
  5. Step 5: Solve for x
    x = 61,766,238.18/13,022.71
  6. Step 6: Final answer
    x = 4,742.96

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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.