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Finding the Fourth Proportional to 14,408.37, 19,880.54 and 8,746.08

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Solution

The fourth proportional to 14,408.37, 19,880.54 and 8,746.08 is: 12,067.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,408.37 : 19,880.54 = 8,746.08 : x
  2. Step 2: Convert to fraction form
    14,408.37/19,880.54 = 8,746.08/x
  3. Step 3: Cross multiply
    14,408.37x = 19,880.54 × 8,746.08
  4. Step 4: Simplify right side
    14,408.37x = 173,876,749.55
  5. Step 5: Solve for x
    x = 173,876,749.55/14,408.37
  6. Step 6: Final answer
    x = 12,067.76

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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.