Home / 22,916.25-31,625.67-12,847.92

Finding the Fourth Proportional to 22,916.25, 31,625.67 and 12,847.92

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Solution

The fourth proportional to 22,916.25, 31,625.67 and 12,847.92 is: 17,730.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,916.25 : 31,625.67 = 12,847.92 : x
  2. Step 2: Convert to fraction form
    22,916.25/31,625.67 = 12,847.92/x
  3. Step 3: Cross multiply
    22,916.25x = 31,625.67 × 12,847.92
  4. Step 4: Simplify right side
    22,916.25x = 406,324,078.11
  5. Step 5: Solve for x
    x = 406,324,078.11/22,916.25
  6. Step 6: Final answer
    x = 17,730.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.