Home / 27,180.85-40,766.91-7,454.80

Finding the Fourth Proportional to 27,180.85, 40,766.91 and 7,454.80

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Solution

The fourth proportional to 27,180.85, 40,766.91 and 7,454.80 is: 11,181.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,180.85 : 40,766.91 = 7,454.80 : x
  2. Step 2: Convert to fraction form
    27,180.85/40,766.91 = 7,454.80/x
  3. Step 3: Cross multiply
    27,180.85x = 40,766.91 × 7,454.80
  4. Step 4: Simplify right side
    27,180.85x = 303,909,160.67
  5. Step 5: Solve for x
    x = 303,909,160.67/27,180.85
  6. Step 6: Final answer
    x = 11,181.00

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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.