Home / 18,276.26-27,418.48-5,627.30

Finding the Fourth Proportional to 18,276.26, 27,418.48 and 5,627.30

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Solution

The fourth proportional to 18,276.26, 27,418.48 and 5,627.30 is: 8,442.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276.26 : 27,418.48 = 5,627.30 : x
  2. Step 2: Convert to fraction form
    18,276.26/27,418.48 = 5,627.30/x
  3. Step 3: Cross multiply
    18,276.26x = 27,418.48 × 5,627.30
  4. Step 4: Simplify right side
    18,276.26x = 154,292,012.50
  5. Step 5: Solve for x
    x = 154,292,012.50/18,276.26
  6. Step 6: Final answer
    x = 8,442.21

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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.