Home / 18,895.07-28,333.19-7,799.09

Finding the Fourth Proportional to 18,895.07, 28,333.19 and 7,799.09

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Solution

The fourth proportional to 18,895.07, 28,333.19 and 7,799.09 is: 11,694.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,895.07 : 28,333.19 = 7,799.09 : x
  2. Step 2: Convert to fraction form
    18,895.07/28,333.19 = 7,799.09/x
  3. Step 3: Cross multiply
    18,895.07x = 28,333.19 × 7,799.09
  4. Step 4: Simplify right side
    18,895.07x = 220,972,976.63
  5. Step 5: Solve for x
    x = 220,972,976.63/18,895.07
  6. Step 6: Final answer
    x = 11,694.74

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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.