Home / 26,819.37-40,199.90-11,218.77

Finding the Fourth Proportional to 26,819.37, 40,199.90 and 11,218.77

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Solution

The fourth proportional to 26,819.37, 40,199.90 and 11,218.77 is: 16,815.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,819.37 : 40,199.90 = 11,218.77 : x
  2. Step 2: Convert to fraction form
    26,819.37/40,199.90 = 11,218.77/x
  3. Step 3: Cross multiply
    26,819.37x = 40,199.90 × 11,218.77
  4. Step 4: Simplify right side
    26,819.37x = 450,993,376.03
  5. Step 5: Solve for x
    x = 450,993,376.03/26,819.37
  6. Step 6: Final answer
    x = 16,815.96

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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.