Home / 27,945.12-41,918.40-8,224.32

Finding the Fourth Proportional to 27,945.12, 41,918.40 and 8,224.32

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Solution

The fourth proportional to 27,945.12, 41,918.40 and 8,224.32 is: 12,336.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,945.12 : 41,918.40 = 8,224.32 : x
  2. Step 2: Convert to fraction form
    27,945.12/41,918.40 = 8,224.32/x
  3. Step 3: Cross multiply
    27,945.12x = 41,918.40 × 8,224.32
  4. Step 4: Simplify right side
    27,945.12x = 344,750,335.49
  5. Step 5: Solve for x
    x = 344,750,335.49/27,945.12
  6. Step 6: Final answer
    x = 12,336.69

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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.