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Finding the Fourth Proportional to 19,506.24, 29,220.48 and 18,141.12

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Solution

The fourth proportional to 19,506.24, 29,220.48 and 18,141.12 is: 27,175.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,506.24 : 29,220.48 = 18,141.12 : x
  2. Step 2: Convert to fraction form
    19,506.24/29,220.48 = 18,141.12/x
  3. Step 3: Cross multiply
    19,506.24x = 29,220.48 × 18,141.12
  4. Step 4: Simplify right side
    19,506.24x = 530,092,234.14
  5. Step 5: Solve for x
    x = 530,092,234.14/19,506.24
  6. Step 6: Final answer
    x = 27,175.52

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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.