Home / 18,836.99-28,283.22-10,533.27

Finding the Fourth Proportional to 18,836.99, 28,283.22 and 10,533.27

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Solution

The fourth proportional to 18,836.99, 28,283.22 and 10,533.27 is: 15,815.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836.99 : 28,283.22 = 10,533.27 : x
  2. Step 2: Convert to fraction form
    18,836.99/28,283.22 = 10,533.27/x
  3. Step 3: Cross multiply
    18,836.99x = 28,283.22 × 10,533.27
  4. Step 4: Simplify right side
    18,836.99x = 297,914,792.73
  5. Step 5: Solve for x
    x = 297,914,792.73/18,836.99
  6. Step 6: Final answer
    x = 15,815.42

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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.