Home / 26,826.06-40,212.30-13,458.21

Finding the Fourth Proportional to 26,826.06, 40,212.30 and 13,458.21

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Solution

The fourth proportional to 26,826.06, 40,212.30 and 13,458.21 is: 20,173.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,826.06 : 40,212.30 = 13,458.21 : x
  2. Step 2: Convert to fraction form
    26,826.06/40,212.30 = 13,458.21/x
  3. Step 3: Cross multiply
    26,826.06x = 40,212.30 × 13,458.21
  4. Step 4: Simplify right side
    26,826.06x = 541,185,577.98
  5. Step 5: Solve for x
    x = 541,185,577.98/26,826.06
  6. Step 6: Final answer
    x = 20,173.87

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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.