Home / 22,085.15-33,138.34-10,992.80

Finding the Fourth Proportional to 22,085.15, 33,138.34 and 10,992.80

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Solution

The fourth proportional to 22,085.15, 33,138.34 and 10,992.80 is: 16,494.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,085.15 : 33,138.34 = 10,992.80 : x
  2. Step 2: Convert to fraction form
    22,085.15/33,138.34 = 10,992.80/x
  3. Step 3: Cross multiply
    22,085.15x = 33,138.34 × 10,992.80
  4. Step 4: Simplify right side
    22,085.15x = 364,283,143.95
  5. Step 5: Solve for x
    x = 364,283,143.95/22,085.15
  6. Step 6: Final answer
    x = 16,494.49

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.