Home / 19,194.71-28,778.42-7,338.49

Finding the Fourth Proportional to 19,194.71, 28,778.42 and 7,338.49

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Solution

The fourth proportional to 19,194.71, 28,778.42 and 7,338.49 is: 11,002.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,194.71 : 28,778.42 = 7,338.49 : x
  2. Step 2: Convert to fraction form
    19,194.71/28,778.42 = 7,338.49/x
  3. Step 3: Cross multiply
    19,194.71x = 28,778.42 × 7,338.49
  4. Step 4: Simplify right side
    19,194.71x = 211,190,093.79
  5. Step 5: Solve for x
    x = 211,190,093.79/19,194.71
  6. Step 6: Final answer
    x = 11,002.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.