Home / 19,797.55-27,319.82-11,838.22

Finding the Fourth Proportional to 19,797.55, 27,319.82 and 11,838.22

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Solution

The fourth proportional to 19,797.55, 27,319.82 and 11,838.22 is: 16,336.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,797.55 : 27,319.82 = 11,838.22 : x
  2. Step 2: Convert to fraction form
    19,797.55/27,319.82 = 11,838.22/x
  3. Step 3: Cross multiply
    19,797.55x = 27,319.82 × 11,838.22
  4. Step 4: Simplify right side
    19,797.55x = 323,418,039.52
  5. Step 5: Solve for x
    x = 323,418,039.52/19,797.55
  6. Step 6: Final answer
    x = 16,336.27

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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.