Home / 23,811.82-35,718.45-7,171.90

Finding the Fourth Proportional to 23,811.82, 35,718.45 and 7,171.90

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Solution

The fourth proportional to 23,811.82, 35,718.45 and 7,171.90 is: 10,758.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,811.82 : 35,718.45 = 7,171.90 : x
  2. Step 2: Convert to fraction form
    23,811.82/35,718.45 = 7,171.90/x
  3. Step 3: Cross multiply
    23,811.82x = 35,718.45 × 7,171.90
  4. Step 4: Simplify right side
    23,811.82x = 256,169,151.56
  5. Step 5: Solve for x
    x = 256,169,151.56/23,811.82
  6. Step 6: Final answer
    x = 10,758.07

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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.