Home / 19,922.42-29,855.66-15,744.06

Finding the Fourth Proportional to 19,922.42, 29,855.66 and 15,744.06

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Solution

The fourth proportional to 19,922.42, 29,855.66 and 15,744.06 is: 23,593.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,922.42 : 29,855.66 = 15,744.06 : x
  2. Step 2: Convert to fraction form
    19,922.42/29,855.66 = 15,744.06/x
  3. Step 3: Cross multiply
    19,922.42x = 29,855.66 × 15,744.06
  4. Step 4: Simplify right side
    19,922.42x = 470,049,302.38
  5. Step 5: Solve for x
    x = 470,049,302.38/19,922.42
  6. Step 6: Final answer
    x = 23,593.99

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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.