Home / 23,136.75-31,928.88-12,526.41

Finding the Fourth Proportional to 23,136.75, 31,928.88 and 12,526.41

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Solution

The fourth proportional to 23,136.75, 31,928.88 and 12,526.41 is: 17,286.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,136.75 : 31,928.88 = 12,526.41 : x
  2. Step 2: Convert to fraction form
    23,136.75/31,928.88 = 12,526.41/x
  3. Step 3: Cross multiply
    23,136.75x = 31,928.88 × 12,526.41
  4. Step 4: Simplify right side
    23,136.75x = 399,954,241.72
  5. Step 5: Solve for x
    x = 399,954,241.72/23,136.75
  6. Step 6: Final answer
    x = 17,286.54

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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.