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Finding the Fourth Proportional to 14,897.92, 20,557.92 and 8,183.52

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Solution

The fourth proportional to 14,897.92, 20,557.92 and 8,183.52 is: 11,292.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,897.92 : 20,557.92 = 8,183.52 : x
  2. Step 2: Convert to fraction form
    14,897.92/20,557.92 = 8,183.52/x
  3. Step 3: Cross multiply
    14,897.92x = 20,557.92 × 8,183.52
  4. Step 4: Simplify right side
    14,897.92x = 168,236,149.48
  5. Step 5: Solve for x
    x = 168,236,149.48/14,897.92
  6. Step 6: Final answer
    x = 11,292.59

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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.