Home / 18,933.22-26,128.37-10,867.57

Finding the Fourth Proportional to 18,933.22, 26,128.37 and 10,867.57

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Solution

The fourth proportional to 18,933.22, 26,128.37 and 10,867.57 is: 14,997.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,933.22 : 26,128.37 = 10,867.57 : x
  2. Step 2: Convert to fraction form
    18,933.22/26,128.37 = 10,867.57/x
  3. Step 3: Cross multiply
    18,933.22x = 26,128.37 × 10,867.57
  4. Step 4: Simplify right side
    18,933.22x = 283,951,889.96
  5. Step 5: Solve for x
    x = 283,951,889.96/18,933.22
  6. Step 6: Final answer
    x = 14,997.55

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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.