Home / 19,855.14-29,781.86-5,064.42

Finding the Fourth Proportional to 19,855.14, 29,781.86 and 5,064.42

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Solution

The fourth proportional to 19,855.14, 29,781.86 and 5,064.42 is: 7,596.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,855.14 : 29,781.86 = 5,064.42 : x
  2. Step 2: Convert to fraction form
    19,855.14/29,781.86 = 5,064.42/x
  3. Step 3: Cross multiply
    19,855.14x = 29,781.86 × 5,064.42
  4. Step 4: Simplify right side
    19,855.14x = 150,827,847.42
  5. Step 5: Solve for x
    x = 150,827,847.42/19,855.14
  6. Step 6: Final answer
    x = 7,596.41

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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.