Home / 22,622.53-31,217.61-12,550.95

Finding the Fourth Proportional to 22,622.53, 31,217.61 and 12,550.95

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Solution

The fourth proportional to 22,622.53, 31,217.61 and 12,550.95 is: 17,319.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,622.53 : 31,217.61 = 12,550.95 : x
  2. Step 2: Convert to fraction form
    22,622.53/31,217.61 = 12,550.95/x
  3. Step 3: Cross multiply
    22,622.53x = 31,217.61 × 12,550.95
  4. Step 4: Simplify right side
    22,622.53x = 391,810,506.14
  5. Step 5: Solve for x
    x = 391,810,506.14/22,622.53
  6. Step 6: Final answer
    x = 17,319.48

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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.