Home / 19,585.28-27,027.66-11,201.78

Finding the Fourth Proportional to 19,585.28, 27,027.66 and 11,201.78

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Solution

The fourth proportional to 19,585.28, 27,027.66 and 11,201.78 is: 15,458.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,585.28 : 27,027.66 = 11,201.78 : x
  2. Step 2: Convert to fraction form
    19,585.28/27,027.66 = 11,201.78/x
  3. Step 3: Cross multiply
    19,585.28x = 27,027.66 × 11,201.78
  4. Step 4: Simplify right side
    19,585.28x = 302,757,901.23
  5. Step 5: Solve for x
    x = 302,757,901.23/19,585.28
  6. Step 6: Final answer
    x = 15,458.44

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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.