Home / 22,280.60-33,418.46-5,640.64

Finding the Fourth Proportional to 22,280.60, 33,418.46 and 5,640.64

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Solution

The fourth proportional to 22,280.60, 33,418.46 and 5,640.64 is: 8,460.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,280.60 : 33,418.46 = 5,640.64 : x
  2. Step 2: Convert to fraction form
    22,280.60/33,418.46 = 5,640.64/x
  3. Step 3: Cross multiply
    22,280.60x = 33,418.46 × 5,640.64
  4. Step 4: Simplify right side
    22,280.60x = 188,501,432.77
  5. Step 5: Solve for x
    x = 188,501,432.77/22,280.60
  6. Step 6: Final answer
    x = 8,460.34

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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.