Home / 19,832.45-29,725.20-8,715.88

Finding the Fourth Proportional to 19,832.45, 29,725.20 and 8,715.88

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Solution

The fourth proportional to 19,832.45, 29,725.20 and 8,715.88 is: 13,063.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,832.45 : 29,725.20 = 8,715.88 : x
  2. Step 2: Convert to fraction form
    19,832.45/29,725.20 = 8,715.88/x
  3. Step 3: Cross multiply
    19,832.45x = 29,725.20 × 8,715.88
  4. Step 4: Simplify right side
    19,832.45x = 259,081,254.24
  5. Step 5: Solve for x
    x = 259,081,254.24/19,832.45
  6. Step 6: Final answer
    x = 13,063.51

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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.