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Finding the Fourth Proportional to 19,251.92, 26,559.75 and 11,697.03

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Solution

The fourth proportional to 19,251.92, 26,559.75 and 11,697.03 is: 16,137.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251.92 : 26,559.75 = 11,697.03 : x
  2. Step 2: Convert to fraction form
    19,251.92/26,559.75 = 11,697.03/x
  3. Step 3: Cross multiply
    19,251.92x = 26,559.75 × 11,697.03
  4. Step 4: Simplify right side
    19,251.92x = 310,670,245.31
  5. Step 5: Solve for x
    x = 310,670,245.31/19,251.92
  6. Step 6: Final answer
    x = 16,137.10

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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.