Home / 16,803.45-23,171.57-11,136.23

Finding the Fourth Proportional to 16,803.45, 23,171.57 and 11,136.23

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Solution

The fourth proportional to 16,803.45, 23,171.57 and 11,136.23 is: 15,356.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,803.45 : 23,171.57 = 11,136.23 : x
  2. Step 2: Convert to fraction form
    16,803.45/23,171.57 = 11,136.23/x
  3. Step 3: Cross multiply
    16,803.45x = 23,171.57 × 11,136.23
  4. Step 4: Simplify right side
    16,803.45x = 258,044,020.44
  5. Step 5: Solve for x
    x = 258,044,020.44/16,803.45
  6. Step 6: Final answer
    x = 15,356.61

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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.