Home / 14,618.44-20,173.36-8,330.84

Finding the Fourth Proportional to 14,618.44, 20,173.36 and 8,330.84

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Solution

The fourth proportional to 14,618.44, 20,173.36 and 8,330.84 is: 11,496.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.44 : 20,173.36 = 8,330.84 : x
  2. Step 2: Convert to fraction form
    14,618.44/20,173.36 = 8,330.84/x
  3. Step 3: Cross multiply
    14,618.44x = 20,173.36 × 8,330.84
  4. Step 4: Simplify right side
    14,618.44x = 168,061,034.42
  5. Step 5: Solve for x
    x = 168,061,034.42/14,618.44
  6. Step 6: Final answer
    x = 11,496.51

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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.