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Finding the Fourth Proportional to 13,317.24, 19,932.04 and 11,859.24

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Solution

The fourth proportional to 13,317.24, 19,932.04 and 11,859.24 is: 17,749.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317.24 : 19,932.04 = 11,859.24 : x
  2. Step 2: Convert to fraction form
    13,317.24/19,932.04 = 11,859.24/x
  3. Step 3: Cross multiply
    13,317.24x = 19,932.04 × 11,859.24
  4. Step 4: Simplify right side
    13,317.24x = 236,378,846.05
  5. Step 5: Solve for x
    x = 236,378,846.05/13,317.24
  6. Step 6: Final answer
    x = 17,749.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.