Home / 26,892.44-40,338.30-12,090.90

Finding the Fourth Proportional to 26,892.44, 40,338.30 and 12,090.90

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Solution

The fourth proportional to 26,892.44, 40,338.30 and 12,090.90 is: 18,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,892.44 : 40,338.30 = 12,090.90 : x
  2. Step 2: Convert to fraction form
    26,892.44/40,338.30 = 12,090.90/x
  3. Step 3: Cross multiply
    26,892.44x = 40,338.30 × 12,090.90
  4. Step 4: Simplify right side
    26,892.44x = 487,726,548.08
  5. Step 5: Solve for x
    x = 487,726,548.08/26,892.44
  6. Step 6: Final answer
    x = 18,136.20

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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.