Home / 19,825.18-29,721.84-13,569.82

Finding the Fourth Proportional to 19,825.18, 29,721.84 and 13,569.82

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Solution

The fourth proportional to 19,825.18, 29,721.84 and 13,569.82 is: 20,343.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,825.18 : 29,721.84 = 13,569.82 : x
  2. Step 2: Convert to fraction form
    19,825.18/29,721.84 = 13,569.82/x
  3. Step 3: Cross multiply
    19,825.18x = 29,721.84 × 13,569.82
  4. Step 4: Simplify right side
    19,825.18x = 403,320,018.87
  5. Step 5: Solve for x
    x = 403,320,018.87/19,825.18
  6. Step 6: Final answer
    x = 20,343.83

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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.