Home / 26,361.05-39,543.80-8,584.79

Finding the Fourth Proportional to 26,361.05, 39,543.80 and 8,584.79

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Solution

The fourth proportional to 26,361.05, 39,543.80 and 8,584.79 is: 12,877.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,361.05 : 39,543.80 = 8,584.79 : x
  2. Step 2: Convert to fraction form
    26,361.05/39,543.80 = 8,584.79/x
  3. Step 3: Cross multiply
    26,361.05x = 39,543.80 × 8,584.79
  4. Step 4: Simplify right side
    26,361.05x = 339,474,978.16
  5. Step 5: Solve for x
    x = 339,474,978.16/26,361.05
  6. Step 6: Final answer
    x = 12,877.90

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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.