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Finding the Fourth Proportional to 19,353, 26,702.82 and 11,395.56

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Solution

The fourth proportional to 19,353, 26,702.82 and 11,395.56 is: 15,723.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,353 : 26,702.82 = 11,395.56 : x
  2. Step 2: Convert to fraction form
    19,353/26,702.82 = 11,395.56/x
  3. Step 3: Cross multiply
    19,353x = 26,702.82 × 11,395.56
  4. Step 4: Simplify right side
    19,353x = 304,293,587.48
  5. Step 5: Solve for x
    x = 304,293,587.48/19,353
  6. Step 6: Final answer
    x = 15,723.33

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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.