Home / 33,772.55-50,627.85-12,980.39

Finding the Fourth Proportional to 33,772.55, 50,627.85 and 12,980.39

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Solution

The fourth proportional to 33,772.55, 50,627.85 and 12,980.39 is: 19,458.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,772.55 : 50,627.85 = 12,980.39 : x
  2. Step 2: Convert to fraction form
    33,772.55/50,627.85 = 12,980.39/x
  3. Step 3: Cross multiply
    33,772.55x = 50,627.85 × 12,980.39
  4. Step 4: Simplify right side
    33,772.55x = 657,169,237.86
  5. Step 5: Solve for x
    x = 657,169,237.86/33,772.55
  6. Step 6: Final answer
    x = 19,458.68

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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.