Home / 22,742.72-34,093.92-8,881.28

Finding the Fourth Proportional to 22,742.72, 34,093.92 and 8,881.28

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Solution

The fourth proportional to 22,742.72, 34,093.92 and 8,881.28 is: 13,314.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,742.72 : 34,093.92 = 8,881.28 : x
  2. Step 2: Convert to fraction form
    22,742.72/34,093.92 = 8,881.28/x
  3. Step 3: Cross multiply
    22,742.72x = 34,093.92 × 8,881.28
  4. Step 4: Simplify right side
    22,742.72x = 302,797,649.82
  5. Step 5: Solve for x
    x = 302,797,649.82/22,742.72
  6. Step 6: Final answer
    x = 13,314.05

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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.