Home / 14,609.16-20,163.23-8,644.12

Finding the Fourth Proportional to 14,609.16, 20,163.23 and 8,644.12

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Solution

The fourth proportional to 14,609.16, 20,163.23 and 8,644.12 is: 11,930.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,609.16 : 20,163.23 = 8,644.12 : x
  2. Step 2: Convert to fraction form
    14,609.16/20,163.23 = 8,644.12/x
  3. Step 3: Cross multiply
    14,609.16x = 20,163.23 × 8,644.12
  4. Step 4: Simplify right side
    14,609.16x = 174,293,318.49
  5. Step 5: Solve for x
    x = 174,293,318.49/14,609.16
  6. Step 6: Final answer
    x = 11,930.41

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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.