Home / 22,423.20-33,634.80-7,627.20

Finding the Fourth Proportional to 22,423.20, 33,634.80 and 7,627.20

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Solution

The fourth proportional to 22,423.20, 33,634.80 and 7,627.20 is: 11,440.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,423.20 : 33,634.80 = 7,627.20 : x
  2. Step 2: Convert to fraction form
    22,423.20/33,634.80 = 7,627.20/x
  3. Step 3: Cross multiply
    22,423.20x = 33,634.80 × 7,627.20
  4. Step 4: Simplify right side
    22,423.20x = 256,539,346.56
  5. Step 5: Solve for x
    x = 256,539,346.56/22,423.20
  6. Step 6: Final answer
    x = 11,440.80

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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.