Home / 22,363.20-33,544.80-6,781.60

Finding the Fourth Proportional to 22,363.20, 33,544.80 and 6,781.60

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Solution

The fourth proportional to 22,363.20, 33,544.80 and 6,781.60 is: 10,172.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,363.20 : 33,544.80 = 6,781.60 : x
  2. Step 2: Convert to fraction form
    22,363.20/33,544.80 = 6,781.60/x
  3. Step 3: Cross multiply
    22,363.20x = 33,544.80 × 6,781.60
  4. Step 4: Simplify right side
    22,363.20x = 227,487,415.68
  5. Step 5: Solve for x
    x = 227,487,415.68/22,363.20
  6. Step 6: Final answer
    x = 10,172.40

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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.