Home / 26,729.34-40,067.55-12,664.50

Finding the Fourth Proportional to 26,729.34, 40,067.55 and 12,664.50

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Solution

The fourth proportional to 26,729.34, 40,067.55 and 12,664.50 is: 18,984.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,729.34 : 40,067.55 = 12,664.50 : x
  2. Step 2: Convert to fraction form
    26,729.34/40,067.55 = 12,664.50/x
  3. Step 3: Cross multiply
    26,729.34x = 40,067.55 × 12,664.50
  4. Step 4: Simplify right side
    26,729.34x = 507,435,486.98
  5. Step 5: Solve for x
    x = 507,435,486.98/26,729.34
  6. Step 6: Final answer
    x = 18,984.21

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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.