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Finding the Fourth Proportional to 19,195.92, 26,489.70 and 10,697.76

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Solution

The fourth proportional to 19,195.92, 26,489.70 and 10,697.76 is: 14,762.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,195.92 : 26,489.70 = 10,697.76 : x
  2. Step 2: Convert to fraction form
    19,195.92/26,489.70 = 10,697.76/x
  3. Step 3: Cross multiply
    19,195.92x = 26,489.70 × 10,697.76
  4. Step 4: Simplify right side
    19,195.92x = 283,380,453.07
  5. Step 5: Solve for x
    x = 283,380,453.07/19,195.92
  6. Step 6: Final answer
    x = 14,762.54

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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.