Home / 20,586.50-30,877.02-5,796.58

Finding the Fourth Proportional to 20,586.50, 30,877.02 and 5,796.58

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Solution

The fourth proportional to 20,586.50, 30,877.02 and 5,796.58 is: 8,694.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,586.50 : 30,877.02 = 5,796.58 : x
  2. Step 2: Convert to fraction form
    20,586.50/30,877.02 = 5,796.58/x
  3. Step 3: Cross multiply
    20,586.50x = 30,877.02 × 5,796.58
  4. Step 4: Simplify right side
    20,586.50x = 178,980,983.33
  5. Step 5: Solve for x
    x = 178,980,983.33/20,586.50
  6. Step 6: Final answer
    x = 8,694.09

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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.