Home / 19,968.23-27,556.37-11,015.65

Finding the Fourth Proportional to 19,968.23, 27,556.37 and 11,015.65

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Solution

The fourth proportional to 19,968.23, 27,556.37 and 11,015.65 is: 15,201.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968.23 : 27,556.37 = 11,015.65 : x
  2. Step 2: Convert to fraction form
    19,968.23/27,556.37 = 11,015.65/x
  3. Step 3: Cross multiply
    19,968.23x = 27,556.37 × 11,015.65
  4. Step 4: Simplify right side
    19,968.23x = 303,551,327.19
  5. Step 5: Solve for x
    x = 303,551,327.19/19,968.23
  6. Step 6: Final answer
    x = 15,201.71

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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.