Home / 14,525.21-21,780.62-5,163.82

Finding the Fourth Proportional to 14,525.21, 21,780.62 and 5,163.82

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Solution

The fourth proportional to 14,525.21, 21,780.62 and 5,163.82 is: 7,743.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,525.21 : 21,780.62 = 5,163.82 : x
  2. Step 2: Convert to fraction form
    14,525.21/21,780.62 = 5,163.82/x
  3. Step 3: Cross multiply
    14,525.21x = 21,780.62 × 5,163.82
  4. Step 4: Simplify right side
    14,525.21x = 112,471,202.58
  5. Step 5: Solve for x
    x = 112,471,202.58/14,525.21
  6. Step 6: Final answer
    x = 7,743.17

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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.