Home / 18,906.09-26,095.22-11,352.75

Finding the Fourth Proportional to 18,906.09, 26,095.22 and 11,352.75

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Solution

The fourth proportional to 18,906.09, 26,095.22 and 11,352.75 is: 15,669.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,906.09 : 26,095.22 = 11,352.75 : x
  2. Step 2: Convert to fraction form
    18,906.09/26,095.22 = 11,352.75/x
  3. Step 3: Cross multiply
    18,906.09x = 26,095.22 × 11,352.75
  4. Step 4: Simplify right side
    18,906.09x = 296,252,452.09
  5. Step 5: Solve for x
    x = 296,252,452.09/18,906.09
  6. Step 6: Final answer
    x = 15,669.68

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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.