Home / 23,136.53-31,928.73-13,583.60

Finding the Fourth Proportional to 23,136.53, 31,928.73 and 13,583.60

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Solution

The fourth proportional to 23,136.53, 31,928.73 and 13,583.60 is: 18,745.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,136.53 : 31,928.73 = 13,583.60 : x
  2. Step 2: Convert to fraction form
    23,136.53/31,928.73 = 13,583.60/x
  3. Step 3: Cross multiply
    23,136.53x = 31,928.73 × 13,583.60
  4. Step 4: Simplify right side
    23,136.53x = 433,706,937.18
  5. Step 5: Solve for x
    x = 433,706,937.18/23,136.53
  6. Step 6: Final answer
    x = 18,745.55

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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.