Home / 19,194.97-28,792.45-7,499.99

Finding the Fourth Proportional to 19,194.97, 28,792.45 and 7,499.99

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Solution

The fourth proportional to 19,194.97, 28,792.45 and 7,499.99 is: 11,249.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,194.97 : 28,792.45 = 7,499.99 : x
  2. Step 2: Convert to fraction form
    19,194.97/28,792.45 = 7,499.99/x
  3. Step 3: Cross multiply
    19,194.97x = 28,792.45 × 7,499.99
  4. Step 4: Simplify right side
    19,194.97x = 215,943,087.08
  5. Step 5: Solve for x
    x = 215,943,087.08/19,194.97
  6. Step 6: Final answer
    x = 11,249.98

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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.