Home / 18,361.08-27,543.44-5,877.87

Finding the Fourth Proportional to 18,361.08, 27,543.44 and 5,877.87

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Solution

The fourth proportional to 18,361.08, 27,543.44 and 5,877.87 is: 8,817.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361.08 : 27,543.44 = 5,877.87 : x
  2. Step 2: Convert to fraction form
    18,361.08/27,543.44 = 5,877.87/x
  3. Step 3: Cross multiply
    18,361.08x = 27,543.44 × 5,877.87
  4. Step 4: Simplify right side
    18,361.08x = 161,896,671.08
  5. Step 5: Solve for x
    x = 161,896,671.08/18,361.08
  6. Step 6: Final answer
    x = 8,817.38

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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.