Home / 13,193.19-18,198.23-8,086.32

Finding the Fourth Proportional to 13,193.19, 18,198.23 and 8,086.32

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Solution

The fourth proportional to 13,193.19, 18,198.23 and 8,086.32 is: 11,153.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193.19 : 18,198.23 = 8,086.32 : x
  2. Step 2: Convert to fraction form
    13,193.19/18,198.23 = 8,086.32/x
  3. Step 3: Cross multiply
    13,193.19x = 18,198.23 × 8,086.32
  4. Step 4: Simplify right side
    13,193.19x = 147,156,670.78
  5. Step 5: Solve for x
    x = 147,156,670.78/13,193.19
  6. Step 6: Final answer
    x = 11,153.99

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.