Home / 18,548.10-27,825.84-5,400.60

Finding the Fourth Proportional to 18,548.10, 27,825.84 and 5,400.60

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Solution

The fourth proportional to 18,548.10, 27,825.84 and 5,400.60 is: 8,101.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,548.10 : 27,825.84 = 5,400.60 : x
  2. Step 2: Convert to fraction form
    18,548.10/27,825.84 = 5,400.60/x
  3. Step 3: Cross multiply
    18,548.10x = 27,825.84 × 5,400.60
  4. Step 4: Simplify right side
    18,548.10x = 150,276,231.50
  5. Step 5: Solve for x
    x = 150,276,231.50/18,548.10
  6. Step 6: Final answer
    x = 8,101.97

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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.