Home / 19,698.32-27,175.56-11,738.72

Finding the Fourth Proportional to 19,698.32, 27,175.56 and 11,738.72

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Solution

The fourth proportional to 19,698.32, 27,175.56 and 11,738.72 is: 16,194.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,698.32 : 27,175.56 = 11,738.72 : x
  2. Step 2: Convert to fraction form
    19,698.32/27,175.56 = 11,738.72/x
  3. Step 3: Cross multiply
    19,698.32x = 27,175.56 × 11,738.72
  4. Step 4: Simplify right side
    19,698.32x = 319,006,289.68
  5. Step 5: Solve for x
    x = 319,006,289.68/19,698.32
  6. Step 6: Final answer
    x = 16,194.59

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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.