Home / 19,765.83-27,273.86-11,268.69

Finding the Fourth Proportional to 19,765.83, 27,273.86 and 11,268.69

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Solution

The fourth proportional to 19,765.83, 27,273.86 and 11,268.69 is: 15,549.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,765.83 : 27,273.86 = 11,268.69 : x
  2. Step 2: Convert to fraction form
    19,765.83/27,273.86 = 11,268.69/x
  3. Step 3: Cross multiply
    19,765.83x = 27,273.86 × 11,268.69
  4. Step 4: Simplify right side
    19,765.83x = 307,340,673.44
  5. Step 5: Solve for x
    x = 307,340,673.44/19,765.83
  6. Step 6: Final answer
    x = 15,549.09

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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.