Home / 13,324.16-19,982.76-3,961.66

Finding the Fourth Proportional to 13,324.16, 19,982.76 and 3,961.66

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Solution

The fourth proportional to 13,324.16, 19,982.76 and 3,961.66 is: 5,941.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.16 : 19,982.76 = 3,961.66 : x
  2. Step 2: Convert to fraction form
    13,324.16/19,982.76 = 3,961.66/x
  3. Step 3: Cross multiply
    13,324.16x = 19,982.76 × 3,961.66
  4. Step 4: Simplify right side
    13,324.16x = 79,164,798.70
  5. Step 5: Solve for x
    x = 79,164,798.70/13,324.16
  6. Step 6: Final answer
    x = 5,941.45

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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.