Home / 22,231.23-30,676.75-13,277.49

Finding the Fourth Proportional to 22,231.23, 30,676.75 and 13,277.49

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Solution

The fourth proportional to 22,231.23, 30,676.75 and 13,277.49 is: 18,321.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,231.23 : 30,676.75 = 13,277.49 : x
  2. Step 2: Convert to fraction form
    22,231.23/30,676.75 = 13,277.49/x
  3. Step 3: Cross multiply
    22,231.23x = 30,676.75 × 13,277.49
  4. Step 4: Simplify right side
    22,231.23x = 407,310,197.86
  5. Step 5: Solve for x
    x = 407,310,197.86/22,231.23
  6. Step 6: Final answer
    x = 18,321.53

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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.