Home / 27,201.54-37,539.78-15,265.64

Finding the Fourth Proportional to 27,201.54, 37,539.78 and 15,265.64

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Solution

The fourth proportional to 27,201.54, 37,539.78 and 15,265.64 is: 21,067.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,201.54 : 37,539.78 = 15,265.64 : x
  2. Step 2: Convert to fraction form
    27,201.54/37,539.78 = 15,265.64/x
  3. Step 3: Cross multiply
    27,201.54x = 37,539.78 × 15,265.64
  4. Step 4: Simplify right side
    27,201.54x = 573,068,767.16
  5. Step 5: Solve for x
    x = 573,068,767.16/27,201.54
  6. Step 6: Final answer
    x = 21,067.51

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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.