Home / 19,836.20-27,374.24-10,883.54

Finding the Fourth Proportional to 19,836.20, 27,374.24 and 10,883.54

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Solution

The fourth proportional to 19,836.20, 27,374.24 and 10,883.54 is: 15,019.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,836.20 : 27,374.24 = 10,883.54 : x
  2. Step 2: Convert to fraction form
    19,836.20/27,374.24 = 10,883.54/x
  3. Step 3: Cross multiply
    19,836.20x = 27,374.24 × 10,883.54
  4. Step 4: Simplify right side
    19,836.20x = 297,928,636.01
  5. Step 5: Solve for x
    x = 297,928,636.01/19,836.20
  6. Step 6: Final answer
    x = 15,019.44

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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.