Home / 27,775.08-41,620.86-11,118.60

Finding the Fourth Proportional to 27,775.08, 41,620.86 and 11,118.60

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Solution

The fourth proportional to 27,775.08, 41,620.86 and 11,118.60 is: 16,661.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,775.08 : 41,620.86 = 11,118.60 : x
  2. Step 2: Convert to fraction form
    27,775.08/41,620.86 = 11,118.60/x
  3. Step 3: Cross multiply
    27,775.08x = 41,620.86 × 11,118.60
  4. Step 4: Simplify right side
    27,775.08x = 462,765,694.00
  5. Step 5: Solve for x
    x = 462,765,694.00/27,775.08
  6. Step 6: Final answer
    x = 16,661.18

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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.