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Finding the Fourth Proportional to 19,262.96, 26,573.22 and 13,297.96

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Solution

The fourth proportional to 19,262.96, 26,573.22 and 13,297.96 is: 18,344.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,262.96 : 26,573.22 = 13,297.96 : x
  2. Step 2: Convert to fraction form
    19,262.96/26,573.22 = 13,297.96/x
  3. Step 3: Cross multiply
    19,262.96x = 26,573.22 × 13,297.96
  4. Step 4: Simplify right side
    19,262.96x = 353,369,616.63
  5. Step 5: Solve for x
    x = 353,369,616.63/19,262.96
  6. Step 6: Final answer
    x = 18,344.51

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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.