Home / 19,672.37-29,513.82-8,579.96

Finding the Fourth Proportional to 19,672.37, 29,513.82 and 8,579.96

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Solution

The fourth proportional to 19,672.37, 29,513.82 and 8,579.96 is: 12,872.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,672.37 : 29,513.82 = 8,579.96 : x
  2. Step 2: Convert to fraction form
    19,672.37/29,513.82 = 8,579.96/x
  3. Step 3: Cross multiply
    19,672.37x = 29,513.82 × 8,579.96
  4. Step 4: Simplify right side
    19,672.37x = 253,227,395.05
  5. Step 5: Solve for x
    x = 253,227,395.05/19,672.37
  6. Step 6: Final answer
    x = 12,872.24

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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.