Home / 20,055.63-27,673.09-11,556.56

Finding the Fourth Proportional to 20,055.63, 27,673.09 and 11,556.56

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Solution

The fourth proportional to 20,055.63, 27,673.09 and 11,556.56 is: 15,945.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,055.63 : 27,673.09 = 11,556.56 : x
  2. Step 2: Convert to fraction form
    20,055.63/27,673.09 = 11,556.56/x
  3. Step 3: Cross multiply
    20,055.63x = 27,673.09 × 11,556.56
  4. Step 4: Simplify right side
    20,055.63x = 319,805,765.26
  5. Step 5: Solve for x
    x = 319,805,765.26/20,055.63
  6. Step 6: Final answer
    x = 15,945.93

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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.