Home / 19,765.33-27,273.17-11,268.19

Finding the Fourth Proportional to 19,765.33, 27,273.17 and 11,268.19

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Solution

The fourth proportional to 19,765.33, 27,273.17 and 11,268.19 is: 15,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,765.33 : 27,273.17 = 11,268.19 : x
  2. Step 2: Convert to fraction form
    19,765.33/27,273.17 = 11,268.19/x
  3. Step 3: Cross multiply
    19,765.33x = 27,273.17 × 11,268.19
  4. Step 4: Simplify right side
    19,765.33x = 307,319,221.45
  5. Step 5: Solve for x
    x = 307,319,221.45/19,765.33
  6. Step 6: Final answer
    x = 15,548.40

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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.