Home / 26,529.44-39,778.24-12,492.64

Finding the Fourth Proportional to 26,529.44, 39,778.24 and 12,492.64

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Solution

The fourth proportional to 26,529.44, 39,778.24 and 12,492.64 is: 18,731.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,529.44 : 39,778.24 = 12,492.64 : x
  2. Step 2: Convert to fraction form
    26,529.44/39,778.24 = 12,492.64/x
  3. Step 3: Cross multiply
    26,529.44x = 39,778.24 × 12,492.64
  4. Step 4: Simplify right side
    26,529.44x = 496,935,232.15
  5. Step 5: Solve for x
    x = 496,935,232.15/26,529.44
  6. Step 6: Final answer
    x = 18,731.46

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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.