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Finding the Fourth Proportional to 19,446.96, 26,844.93 and 13,162.98

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Solution

The fourth proportional to 19,446.96, 26,844.93 and 13,162.98 is: 18,170.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,446.96 : 26,844.93 = 13,162.98 : x
  2. Step 2: Convert to fraction form
    19,446.96/26,844.93 = 13,162.98/x
  3. Step 3: Cross multiply
    19,446.96x = 26,844.93 × 13,162.98
  4. Step 4: Simplify right side
    19,446.96x = 353,359,276.69
  5. Step 5: Solve for x
    x = 353,359,276.69/19,446.96
  6. Step 6: Final answer
    x = 18,170.41

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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.