Home / 16,194.77-22,348.74-9,121.21

Finding the Fourth Proportional to 16,194.77, 22,348.74 and 9,121.21

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Solution

The fourth proportional to 16,194.77, 22,348.74 and 9,121.21 is: 12,587.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,194.77 : 22,348.74 = 9,121.21 : x
  2. Step 2: Convert to fraction form
    16,194.77/22,348.74 = 9,121.21/x
  3. Step 3: Cross multiply
    16,194.77x = 22,348.74 × 9,121.21
  4. Step 4: Simplify right side
    16,194.77x = 203,847,529.11
  5. Step 5: Solve for x
    x = 203,847,529.11/16,194.77
  6. Step 6: Final answer
    x = 12,587.25

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Half scale
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Double scale
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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.