Home / 13,973.52-20,960.29-3,443.54

Finding the Fourth Proportional to 13,973.52, 20,960.29 and 3,443.54

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Solution

The fourth proportional to 13,973.52, 20,960.29 and 3,443.54 is: 5,165.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.52 : 20,960.29 = 3,443.54 : x
  2. Step 2: Convert to fraction form
    13,973.52/20,960.29 = 3,443.54/x
  3. Step 3: Cross multiply
    13,973.52x = 20,960.29 × 3,443.54
  4. Step 4: Simplify right side
    13,973.52x = 72,177,475.01
  5. Step 5: Solve for x
    x = 72,177,475.01/13,973.52
  6. Step 6: Final answer
    x = 5,165.31

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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.