Home / 18,608.22-25,679.56-10,649.96

Finding the Fourth Proportional to 18,608.22, 25,679.56 and 10,649.96

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Solution

The fourth proportional to 18,608.22, 25,679.56 and 10,649.96 is: 14,697.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,608.22 : 25,679.56 = 10,649.96 : x
  2. Step 2: Convert to fraction form
    18,608.22/25,679.56 = 10,649.96/x
  3. Step 3: Cross multiply
    18,608.22x = 25,679.56 × 10,649.96
  4. Step 4: Simplify right side
    18,608.22x = 273,486,286.82
  5. Step 5: Solve for x
    x = 273,486,286.82/18,608.22
  6. Step 6: Final answer
    x = 14,697.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.