Home / 22,616.52-31,210.80-12,544.62

Finding the Fourth Proportional to 22,616.52, 31,210.80 and 12,544.62

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Solution

The fourth proportional to 22,616.52, 31,210.80 and 12,544.62 is: 17,311.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,616.52 : 31,210.80 = 12,544.62 : x
  2. Step 2: Convert to fraction form
    22,616.52/31,210.80 = 12,544.62/x
  3. Step 3: Cross multiply
    22,616.52x = 31,210.80 × 12,544.62
  4. Step 4: Simplify right side
    22,616.52x = 391,527,625.90
  5. Step 5: Solve for x
    x = 391,527,625.90/22,616.52
  6. Step 6: Final answer
    x = 17,311.58

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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.