Home / 18,540.30-27,810.20-4,500.44

Finding the Fourth Proportional to 18,540.30, 27,810.20 and 4,500.44

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Solution

The fourth proportional to 18,540.30, 27,810.20 and 4,500.44 is: 6,750.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540.30 : 27,810.20 = 4,500.44 : x
  2. Step 2: Convert to fraction form
    18,540.30/27,810.20 = 4,500.44/x
  3. Step 3: Cross multiply
    18,540.30x = 27,810.20 × 4,500.44
  4. Step 4: Simplify right side
    18,540.30x = 125,158,136.49
  5. Step 5: Solve for x
    x = 125,158,136.49/18,540.30
  6. Step 6: Final answer
    x = 6,750.60

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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.