Home / 23,286.62-32,135.74-12,676.23

Finding the Fourth Proportional to 23,286.62, 32,135.74 and 12,676.23

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Solution

The fourth proportional to 23,286.62, 32,135.74 and 12,676.23 is: 17,493.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,286.62 : 32,135.74 = 12,676.23 : x
  2. Step 2: Convert to fraction form
    23,286.62/32,135.74 = 12,676.23/x
  3. Step 3: Cross multiply
    23,286.62x = 32,135.74 × 12,676.23
  4. Step 4: Simplify right side
    23,286.62x = 407,359,999.77
  5. Step 5: Solve for x
    x = 407,359,999.77/23,286.62
  6. Step 6: Final answer
    x = 17,493.31

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Double scale
Find fourth proportional to 23,287.62, 32,137.12 and 12,677.23
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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.