Home / 22,260.70-33,391.04-5,621.72

Finding the Fourth Proportional to 22,260.70, 33,391.04 and 5,621.72

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Solution

The fourth proportional to 22,260.70, 33,391.04 and 5,621.72 is: 8,432.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,260.70 : 33,391.04 = 5,621.72 : x
  2. Step 2: Convert to fraction form
    22,260.70/33,391.04 = 5,621.72/x
  3. Step 3: Cross multiply
    22,260.70x = 33,391.04 × 5,621.72
  4. Step 4: Simplify right side
    22,260.70x = 187,715,077.39
  5. Step 5: Solve for x
    x = 187,715,077.39/22,260.70
  6. Step 6: Final answer
    x = 8,432.58

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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.