Home / 13,171.08-19,754.54-3,934.92

Finding the Fourth Proportional to 13,171.08, 19,754.54 and 3,934.92

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Solution

The fourth proportional to 13,171.08, 19,754.54 and 3,934.92 is: 5,901.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,171.08 : 19,754.54 = 3,934.92 : x
  2. Step 2: Convert to fraction form
    13,171.08/19,754.54 = 3,934.92/x
  3. Step 3: Cross multiply
    13,171.08x = 19,754.54 × 3,934.92
  4. Step 4: Simplify right side
    13,171.08x = 77,732,534.54
  5. Step 5: Solve for x
    x = 77,732,534.54/13,171.08
  6. Step 6: Final answer
    x = 5,901.76

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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.