Home / 19,414.21-29,115.68-7,565.34

Finding the Fourth Proportional to 19,414.21, 29,115.68 and 7,565.34

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Solution

The fourth proportional to 19,414.21, 29,115.68 and 7,565.34 is: 11,345.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,414.21 : 29,115.68 = 7,565.34 : x
  2. Step 2: Convert to fraction form
    19,414.21/29,115.68 = 7,565.34/x
  3. Step 3: Cross multiply
    19,414.21x = 29,115.68 × 7,565.34
  4. Step 4: Simplify right side
    19,414.21x = 220,269,926.11
  5. Step 5: Solve for x
    x = 220,269,926.11/19,414.21
  6. Step 6: Final answer
    x = 11,345.81

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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.