Home / 23,396.72-32,285.93-12,786.39

Finding the Fourth Proportional to 23,396.72, 32,285.93 and 12,786.39

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Solution

The fourth proportional to 23,396.72, 32,285.93 and 12,786.39 is: 17,644.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,396.72 : 32,285.93 = 12,786.39 : x
  2. Step 2: Convert to fraction form
    23,396.72/32,285.93 = 12,786.39/x
  3. Step 3: Cross multiply
    23,396.72x = 32,285.93 × 12,786.39
  4. Step 4: Simplify right side
    23,396.72x = 412,820,428.56
  5. Step 5: Solve for x
    x = 412,820,428.56/23,396.72
  6. Step 6: Final answer
    x = 17,644.38

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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.