Home / 22,616.96-31,210.31-12,544.61

Finding the Fourth Proportional to 22,616.96, 31,210.31 and 12,544.61

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Solution

The fourth proportional to 22,616.96, 31,210.31 and 12,544.61 is: 17,310.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,616.96 : 31,210.31 = 12,544.61 : x
  2. Step 2: Convert to fraction form
    22,616.96/31,210.31 = 12,544.61/x
  3. Step 3: Cross multiply
    22,616.96x = 31,210.31 × 12,544.61
  4. Step 4: Simplify right side
    22,616.96x = 391,521,042.24
  5. Step 5: Solve for x
    x = 391,521,042.24/22,616.96
  6. Step 6: Final answer
    x = 17,310.95

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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.