Home / 22,616.89-31,211.27-12,546.85

Finding the Fourth Proportional to 22,616.89, 31,211.27 and 12,546.85

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Solution

The fourth proportional to 22,616.89, 31,211.27 and 12,546.85 is: 17,314.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,616.89 : 31,211.27 = 12,546.85 : x
  2. Step 2: Convert to fraction form
    22,616.89/31,211.27 = 12,546.85/x
  3. Step 3: Cross multiply
    22,616.89x = 31,211.27 × 12,546.85
  4. Step 4: Simplify right side
    22,616.89x = 391,603,123.00
  5. Step 5: Solve for x
    x = 391,603,123.00/22,616.89
  6. Step 6: Final answer
    x = 17,314.63

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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.