Home / 22,616.19-31,210.49-12,544.80

Finding the Fourth Proportional to 22,616.19, 31,210.49 and 12,544.80

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Solution

The fourth proportional to 22,616.19, 31,210.49 and 12,544.80 is: 17,311.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,616.19 : 31,210.49 = 12,544.80 : x
  2. Step 2: Convert to fraction form
    22,616.19/31,210.49 = 12,544.80/x
  3. Step 3: Cross multiply
    22,616.19x = 31,210.49 × 12,544.80
  4. Step 4: Simplify right side
    22,616.19x = 391,529,321.77
  5. Step 5: Solve for x
    x = 391,529,321.77/22,616.19
  6. Step 6: Final answer
    x = 17,311.91

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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.