Home / 13,181.76-18,194.88-7,596.48

Finding the Fourth Proportional to 13,181.76, 18,194.88 and 7,596.48

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Solution

The fourth proportional to 13,181.76, 18,194.88 and 7,596.48 is: 10,485.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,181.76 : 18,194.88 = 7,596.48 : x
  2. Step 2: Convert to fraction form
    13,181.76/18,194.88 = 7,596.48/x
  3. Step 3: Cross multiply
    13,181.76x = 18,194.88 × 7,596.48
  4. Step 4: Simplify right side
    13,181.76x = 138,217,042.02
  5. Step 5: Solve for x
    x = 138,217,042.02/13,181.76
  6. Step 6: Final answer
    x = 10,485.48

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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.