Home / 13,960.96-20,943.76-6,472.04

Finding the Fourth Proportional to 13,960.96, 20,943.76 and 6,472.04

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Solution

The fourth proportional to 13,960.96, 20,943.76 and 6,472.04 is: 9,709.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.96 : 20,943.76 = 6,472.04 : x
  2. Step 2: Convert to fraction form
    13,960.96/20,943.76 = 6,472.04/x
  3. Step 3: Cross multiply
    13,960.96x = 20,943.76 × 6,472.04
  4. Step 4: Simplify right side
    13,960.96x = 135,548,852.47
  5. Step 5: Solve for x
    x = 135,548,852.47/13,960.96
  6. Step 6: Final answer
    x = 9,709.14

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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.