Home / 27,181.98-40,777.63-8,460.65

Finding the Fourth Proportional to 27,181.98, 40,777.63 and 8,460.65

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Solution

The fourth proportional to 27,181.98, 40,777.63 and 8,460.65 is: 12,692.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,181.98 : 40,777.63 = 8,460.65 : x
  2. Step 2: Convert to fraction form
    27,181.98/40,777.63 = 8,460.65/x
  3. Step 3: Cross multiply
    27,181.98x = 40,777.63 × 8,460.65
  4. Step 4: Simplify right side
    27,181.98x = 345,005,336.05
  5. Step 5: Solve for x
    x = 345,005,336.05/27,181.98
  6. Step 6: Final answer
    x = 12,692.43

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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.