Home / 19,924.30-29,872.61-8,824.94

Finding the Fourth Proportional to 19,924.30, 29,872.61 and 8,824.94

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Solution

The fourth proportional to 19,924.30, 29,872.61 and 8,824.94 is: 13,231.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,924.30 : 29,872.61 = 8,824.94 : x
  2. Step 2: Convert to fraction form
    19,924.30/29,872.61 = 8,824.94/x
  3. Step 3: Cross multiply
    19,924.30x = 29,872.61 × 8,824.94
  4. Step 4: Simplify right side
    19,924.30x = 263,623,990.89
  5. Step 5: Solve for x
    x = 263,623,990.89/19,924.30
  6. Step 6: Final answer
    x = 13,231.28

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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.