Home / 22,612.20-33,923.70-11,520.60

Finding the Fourth Proportional to 22,612.20, 33,923.70 and 11,520.60

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Solution

The fourth proportional to 22,612.20, 33,923.70 and 11,520.60 is: 17,283.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,612.20 : 33,923.70 = 11,520.60 : x
  2. Step 2: Convert to fraction form
    22,612.20/33,923.70 = 11,520.60/x
  3. Step 3: Cross multiply
    22,612.20x = 33,923.70 × 11,520.60
  4. Step 4: Simplify right side
    22,612.20x = 390,821,378.22
  5. Step 5: Solve for x
    x = 390,821,378.22/22,612.20
  6. Step 6: Final answer
    x = 17,283.65

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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.