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Finding the Fourth Proportional to 19,067.46, 26,313.08 and 11,615.46

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Solution

The fourth proportional to 19,067.46, 26,313.08 and 11,615.46 is: 16,029.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,067.46 : 26,313.08 = 11,615.46 : x
  2. Step 2: Convert to fraction form
    19,067.46/26,313.08 = 11,615.46/x
  3. Step 3: Cross multiply
    19,067.46x = 26,313.08 × 11,615.46
  4. Step 4: Simplify right side
    19,067.46x = 305,638,470.14
  5. Step 5: Solve for x
    x = 305,638,470.14/19,067.46
  6. Step 6: Final answer
    x = 16,029.32

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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.