Home / 22,478.96-33,716.82-9,321.86

Finding the Fourth Proportional to 22,478.96, 33,716.82 and 9,321.86

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Solution

The fourth proportional to 22,478.96, 33,716.82 and 9,321.86 is: 13,982.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,478.96 : 33,716.82 = 9,321.86 : x
  2. Step 2: Convert to fraction form
    22,478.96/33,716.82 = 9,321.86/x
  3. Step 3: Cross multiply
    22,478.96x = 33,716.82 × 9,321.86
  4. Step 4: Simplify right side
    22,478.96x = 314,303,475.69
  5. Step 5: Solve for x
    x = 314,303,475.69/22,478.96
  6. Step 6: Final answer
    x = 13,982.12

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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.