Home / 26,949.70-40,426.98-12,165.58

Finding the Fourth Proportional to 26,949.70, 40,426.98 and 12,165.58

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Solution

The fourth proportional to 26,949.70, 40,426.98 and 12,165.58 is: 18,249.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,949.70 : 40,426.98 = 12,165.58 : x
  2. Step 2: Convert to fraction form
    26,949.70/40,426.98 = 12,165.58/x
  3. Step 3: Cross multiply
    26,949.70x = 40,426.98 × 12,165.58
  4. Step 4: Simplify right side
    26,949.70x = 491,817,659.35
  5. Step 5: Solve for x
    x = 491,817,659.35/26,949.70
  6. Step 6: Final answer
    x = 18,249.47

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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.