Home / 19,397.20-29,095.82-12,822.04

Finding the Fourth Proportional to 19,397.20, 29,095.82 and 12,822.04

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Solution

The fourth proportional to 19,397.20, 29,095.82 and 12,822.04 is: 19,233.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,397.20 : 29,095.82 = 12,822.04 : x
  2. Step 2: Convert to fraction form
    19,397.20/29,095.82 = 12,822.04/x
  3. Step 3: Cross multiply
    19,397.20x = 29,095.82 × 12,822.04
  4. Step 4: Simplify right side
    19,397.20x = 373,067,767.87
  5. Step 5: Solve for x
    x = 373,067,767.87/19,397.20
  6. Step 6: Final answer
    x = 19,233.07

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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.