Home / 19,240.96-26,556.48-11,287.36

Finding the Fourth Proportional to 19,240.96, 26,556.48 and 11,287.36

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Solution

The fourth proportional to 19,240.96, 26,556.48 and 11,287.36 is: 15,578.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,240.96 : 26,556.48 = 11,287.36 : x
  2. Step 2: Convert to fraction form
    19,240.96/26,556.48 = 11,287.36/x
  3. Step 3: Cross multiply
    19,240.96x = 26,556.48 × 11,287.36
  4. Step 4: Simplify right side
    19,240.96x = 299,752,550.09
  5. Step 5: Solve for x
    x = 299,752,550.09/19,240.96
  6. Step 6: Final answer
    x = 15,578.88

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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.