Home / 19,521.90-29,270.99-6,372.56

Finding the Fourth Proportional to 19,521.90, 29,270.99 and 6,372.56

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Solution

The fourth proportional to 19,521.90, 29,270.99 and 6,372.56 is: 9,554.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,521.90 : 29,270.99 = 6,372.56 : x
  2. Step 2: Convert to fraction form
    19,521.90/29,270.99 = 6,372.56/x
  3. Step 3: Cross multiply
    19,521.90x = 29,270.99 × 6,372.56
  4. Step 4: Simplify right side
    19,521.90x = 186,530,961.82
  5. Step 5: Solve for x
    x = 186,530,961.82/19,521.90
  6. Step 6: Final answer
    x = 9,554.96

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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.