Home / 17,540.13-26,268.17-12,783.54

Finding the Fourth Proportional to 17,540.13, 26,268.17 and 12,783.54

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Solution

The fourth proportional to 17,540.13, 26,268.17 and 12,783.54 is: 19,144.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,540.13 : 26,268.17 = 12,783.54 : x
  2. Step 2: Convert to fraction form
    17,540.13/26,268.17 = 12,783.54/x
  3. Step 3: Cross multiply
    17,540.13x = 26,268.17 × 12,783.54
  4. Step 4: Simplify right side
    17,540.13x = 335,800,138.00
  5. Step 5: Solve for x
    x = 335,800,138.00/17,540.13
  6. Step 6: Final answer
    x = 19,144.68

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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.