Home / 18,733.56-28,076.12-7,627.26

Finding the Fourth Proportional to 18,733.56, 28,076.12 and 7,627.26

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Solution

The fourth proportional to 18,733.56, 28,076.12 and 7,627.26 is: 11,431.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,733.56 : 28,076.12 = 7,627.26 : x
  2. Step 2: Convert to fraction form
    18,733.56/28,076.12 = 7,627.26/x
  3. Step 3: Cross multiply
    18,733.56x = 28,076.12 × 7,627.26
  4. Step 4: Simplify right side
    18,733.56x = 214,143,867.03
  5. Step 5: Solve for x
    x = 214,143,867.03/18,733.56
  6. Step 6: Final answer
    x = 11,431.03

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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.