Home / 16,968.30-23,416.20-9,415.77

Finding the Fourth Proportional to 16,968.30, 23,416.20 and 9,415.77

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Solution

The fourth proportional to 16,968.30, 23,416.20 and 9,415.77 is: 12,993.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,968.30 : 23,416.20 = 9,415.77 : x
  2. Step 2: Convert to fraction form
    16,968.30/23,416.20 = 9,415.77/x
  3. Step 3: Cross multiply
    16,968.30x = 23,416.20 × 9,415.77
  4. Step 4: Simplify right side
    16,968.30x = 220,481,553.47
  5. Step 5: Solve for x
    x = 220,481,553.47/16,968.30
  6. Step 6: Final answer
    x = 12,993.73

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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.