Home / 19,796.81-29,695.23-5,005.76

Finding the Fourth Proportional to 19,796.81, 29,695.23 and 5,005.76

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Solution

The fourth proportional to 19,796.81, 29,695.23 and 5,005.76 is: 7,508.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,796.81 : 29,695.23 = 5,005.76 : x
  2. Step 2: Convert to fraction form
    19,796.81/29,695.23 = 5,005.76/x
  3. Step 3: Cross multiply
    19,796.81x = 29,695.23 × 5,005.76
  4. Step 4: Simplify right side
    19,796.81x = 148,647,046.05
  5. Step 5: Solve for x
    x = 148,647,046.05/19,796.81
  6. Step 6: Final answer
    x = 7,508.64

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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.