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Finding the Fourth Proportional to 19,453.70, 26,845.01 and 11,496.67

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Solution

The fourth proportional to 19,453.70, 26,845.01 and 11,496.67 is: 15,864.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,453.70 : 26,845.01 = 11,496.67 : x
  2. Step 2: Convert to fraction form
    19,453.70/26,845.01 = 11,496.67/x
  3. Step 3: Cross multiply
    19,453.70x = 26,845.01 × 11,496.67
  4. Step 4: Simplify right side
    19,453.70x = 308,628,029.41
  5. Step 5: Solve for x
    x = 308,628,029.41/19,453.70
  6. Step 6: Final answer
    x = 15,864.75

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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.