Home / 16,976.98-23,409.30-11,000.80

Finding the Fourth Proportional to 16,976.98, 23,409.30 and 11,000.80

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Solution

The fourth proportional to 16,976.98, 23,409.30 and 11,000.80 is: 15,168.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,976.98 : 23,409.30 = 11,000.80 : x
  2. Step 2: Convert to fraction form
    16,976.98/23,409.30 = 11,000.80/x
  3. Step 3: Cross multiply
    16,976.98x = 23,409.30 × 11,000.80
  4. Step 4: Simplify right side
    16,976.98x = 257,521,027.44
  5. Step 5: Solve for x
    x = 257,521,027.44/16,976.98
  6. Step 6: Final answer
    x = 15,168.84

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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.