Home / 33,515.88-50,273.82-13,780.60

Finding the Fourth Proportional to 33,515.88, 50,273.82 and 13,780.60

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Solution

The fourth proportional to 33,515.88, 50,273.82 and 13,780.60 is: 20,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,515.88 : 50,273.82 = 13,780.60 : x
  2. Step 2: Convert to fraction form
    33,515.88/50,273.82 = 13,780.60/x
  3. Step 3: Cross multiply
    33,515.88x = 50,273.82 × 13,780.60
  4. Step 4: Simplify right side
    33,515.88x = 692,803,403.89
  5. Step 5: Solve for x
    x = 692,803,403.89/33,515.88
  6. Step 6: Final answer
    x = 20,670.90

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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.