Home / 27,947.80-41,909.55-9,220.60

Finding the Fourth Proportional to 27,947.80, 41,909.55 and 9,220.60

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Solution

The fourth proportional to 27,947.80, 41,909.55 and 9,220.60 is: 13,826.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,947.80 : 41,909.55 = 9,220.60 : x
  2. Step 2: Convert to fraction form
    27,947.80/41,909.55 = 9,220.60/x
  3. Step 3: Cross multiply
    27,947.80x = 41,909.55 × 9,220.60
  4. Step 4: Simplify right side
    27,947.80x = 386,431,196.73
  5. Step 5: Solve for x
    x = 386,431,196.73/27,947.80
  6. Step 6: Final answer
    x = 13,826.89

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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.