Home / 16,136.73-22,268.54-8,868.90

Finding the Fourth Proportional to 16,136.73, 22,268.54 and 8,868.90

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Solution

The fourth proportional to 16,136.73, 22,268.54 and 8,868.90 is: 12,239.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,136.73 : 22,268.54 = 8,868.90 : x
  2. Step 2: Convert to fraction form
    16,136.73/22,268.54 = 8,868.90/x
  3. Step 3: Cross multiply
    16,136.73x = 22,268.54 × 8,868.90
  4. Step 4: Simplify right side
    16,136.73x = 197,497,476.58
  5. Step 5: Solve for x
    x = 197,497,476.58/16,136.73
  6. Step 6: Final answer
    x = 12,239.01

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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.