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Finding the Fourth Proportional to 19,508.68, 26,922.02 and 11,125.64

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Solution

The fourth proportional to 19,508.68, 26,922.02 and 11,125.64 is: 15,353.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,508.68 : 26,922.02 = 11,125.64 : x
  2. Step 2: Convert to fraction form
    19,508.68/26,922.02 = 11,125.64/x
  3. Step 3: Cross multiply
    19,508.68x = 26,922.02 × 11,125.64
  4. Step 4: Simplify right side
    19,508.68x = 299,524,702.59
  5. Step 5: Solve for x
    x = 299,524,702.59/19,508.68
  6. Step 6: Final answer
    x = 15,353.41

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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.