Home / 14,617.56-20,173.68-8,330.88

Finding the Fourth Proportional to 14,617.56, 20,173.68 and 8,330.88

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Solution

The fourth proportional to 14,617.56, 20,173.68 and 8,330.88 is: 11,497.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,617.56 : 20,173.68 = 8,330.88 : x
  2. Step 2: Convert to fraction form
    14,617.56/20,173.68 = 8,330.88/x
  3. Step 3: Cross multiply
    14,617.56x = 20,173.68 × 8,330.88
  4. Step 4: Simplify right side
    14,617.56x = 168,064,507.24
  5. Step 5: Solve for x
    x = 168,064,507.24/14,617.56
  6. Step 6: Final answer
    x = 11,497.44

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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.