Home / 19,489.30-29,226.72-7,005.96

Finding the Fourth Proportional to 19,489.30, 29,226.72 and 7,005.96

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Solution

The fourth proportional to 19,489.30, 29,226.72 and 7,005.96 is: 10,506.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,489.30 : 29,226.72 = 7,005.96 : x
  2. Step 2: Convert to fraction form
    19,489.30/29,226.72 = 7,005.96/x
  3. Step 3: Cross multiply
    19,489.30x = 29,226.72 × 7,005.96
  4. Step 4: Simplify right side
    19,489.30x = 204,761,231.25
  5. Step 5: Solve for x
    x = 204,761,231.25/19,489.30
  6. Step 6: Final answer
    x = 10,506.34

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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.