Home / 23,161.21-31,962.58-12,550.86

Finding the Fourth Proportional to 23,161.21, 31,962.58 and 12,550.86

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Solution

The fourth proportional to 23,161.21, 31,962.58 and 12,550.86 is: 17,320.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,161.21 : 31,962.58 = 12,550.86 : x
  2. Step 2: Convert to fraction form
    23,161.21/31,962.58 = 12,550.86/x
  3. Step 3: Cross multiply
    23,161.21x = 31,962.58 × 12,550.86
  4. Step 4: Simplify right side
    23,161.21x = 401,157,835.44
  5. Step 5: Solve for x
    x = 401,157,835.44/23,161.21
  6. Step 6: Final answer
    x = 17,320.25

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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.