Home / 19,211.22-26,514.09-11,256.62

Finding the Fourth Proportional to 19,211.22, 26,514.09 and 11,256.62

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Solution

The fourth proportional to 19,211.22, 26,514.09 and 11,256.62 is: 15,535.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211.22 : 26,514.09 = 11,256.62 : x
  2. Step 2: Convert to fraction form
    19,211.22/26,514.09 = 11,256.62/x
  3. Step 3: Cross multiply
    19,211.22x = 26,514.09 × 11,256.62
  4. Step 4: Simplify right side
    19,211.22x = 298,458,846.92
  5. Step 5: Solve for x
    x = 298,458,846.92/19,211.22
  6. Step 6: Final answer
    x = 15,535.65

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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.