Home / 23,136.75-34,706.82-20,382.48

Finding the Fourth Proportional to 23,136.75, 34,706.82 and 20,382.48

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Solution

The fourth proportional to 23,136.75, 34,706.82 and 20,382.48 is: 30,575.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,136.75 : 34,706.82 = 20,382.48 : x
  2. Step 2: Convert to fraction form
    23,136.75/34,706.82 = 20,382.48/x
  3. Step 3: Cross multiply
    23,136.75x = 34,706.82 × 20,382.48
  4. Step 4: Simplify right side
    23,136.75x = 707,411,064.51
  5. Step 5: Solve for x
    x = 707,411,064.51/23,136.75
  6. Step 6: Final answer
    x = 30,575.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.