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Finding the Fourth Proportional to 17,558.28, 24,237.09 and 11,922.21

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Solution

The fourth proportional to 17,558.28, 24,237.09 and 11,922.21 is: 16,457.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,558.28 : 24,237.09 = 11,922.21 : x
  2. Step 2: Convert to fraction form
    17,558.28/24,237.09 = 11,922.21/x
  3. Step 3: Cross multiply
    17,558.28x = 24,237.09 × 11,922.21
  4. Step 4: Simplify right side
    17,558.28x = 288,959,676.77
  5. Step 5: Solve for x
    x = 288,959,676.77/17,558.28
  6. Step 6: Final answer
    x = 16,457.17

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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.