Home / 19,913.44-27,481.08-10,961.16

Finding the Fourth Proportional to 19,913.44, 27,481.08 and 10,961.16

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Solution

The fourth proportional to 19,913.44, 27,481.08 and 10,961.16 is: 15,126.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,913.44 : 27,481.08 = 10,961.16 : x
  2. Step 2: Convert to fraction form
    19,913.44/27,481.08 = 10,961.16/x
  3. Step 3: Cross multiply
    19,913.44x = 27,481.08 × 10,961.16
  4. Step 4: Simplify right side
    19,913.44x = 301,224,514.85
  5. Step 5: Solve for x
    x = 301,224,514.85/19,913.44
  6. Step 6: Final answer
    x = 15,126.69

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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.