Home / 22,727.45-34,105.37-8,688.66

Finding the Fourth Proportional to 22,727.45, 34,105.37 and 8,688.66

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Solution

The fourth proportional to 22,727.45, 34,105.37 and 8,688.66 is: 13,038.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,727.45 : 34,105.37 = 8,688.66 : x
  2. Step 2: Convert to fraction form
    22,727.45/34,105.37 = 8,688.66/x
  3. Step 3: Cross multiply
    22,727.45x = 34,105.37 × 8,688.66
  4. Step 4: Simplify right side
    22,727.45x = 296,329,920.66
  5. Step 5: Solve for x
    x = 296,329,920.66/22,727.45
  6. Step 6: Final answer
    x = 13,038.42

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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.