Home / 18,059.20-27,089.56-6,372.48

Finding the Fourth Proportional to 18,059.20, 27,089.56 and 6,372.48

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Solution

The fourth proportional to 18,059.20, 27,089.56 and 6,372.48 is: 9,558.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,059.20 : 27,089.56 = 6,372.48 : x
  2. Step 2: Convert to fraction form
    18,059.20/27,089.56 = 6,372.48/x
  3. Step 3: Cross multiply
    18,059.20x = 27,089.56 × 6,372.48
  4. Step 4: Simplify right side
    18,059.20x = 172,627,679.31
  5. Step 5: Solve for x
    x = 172,627,679.31/18,059.20
  6. Step 6: Final answer
    x = 9,558.99

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1.5x scale

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.