Home / 13,464.50-20,197.47-4,231.22

Finding the Fourth Proportional to 13,464.50, 20,197.47 and 4,231.22

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Solution

The fourth proportional to 13,464.50, 20,197.47 and 4,231.22 is: 6,347.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,464.50 : 20,197.47 = 4,231.22 : x
  2. Step 2: Convert to fraction form
    13,464.50/20,197.47 = 4,231.22/x
  3. Step 3: Cross multiply
    13,464.50x = 20,197.47 × 4,231.22
  4. Step 4: Simplify right side
    13,464.50x = 85,459,939.01
  5. Step 5: Solve for x
    x = 85,459,939.01/13,464.50
  6. Step 6: Final answer
    x = 6,347.06

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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.