Home / 27,219.40-40,832.79-8,500.75

Finding the Fourth Proportional to 27,219.40, 40,832.79 and 8,500.75

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Solution

The fourth proportional to 27,219.40, 40,832.79 and 8,500.75 is: 12,752.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,219.40 : 40,832.79 = 8,500.75 : x
  2. Step 2: Convert to fraction form
    27,219.40/40,832.79 = 8,500.75/x
  3. Step 3: Cross multiply
    27,219.40x = 40,832.79 × 8,500.75
  4. Step 4: Simplify right side
    27,219.40x = 347,109,339.59
  5. Step 5: Solve for x
    x = 347,109,339.59/27,219.40
  6. Step 6: Final answer
    x = 12,752.28

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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.