Home / 19,136.96-28,706.98-5,989.26

Finding the Fourth Proportional to 19,136.96, 28,706.98 and 5,989.26

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Solution

The fourth proportional to 19,136.96, 28,706.98 and 5,989.26 is: 8,984.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,136.96 : 28,706.98 = 5,989.26 : x
  2. Step 2: Convert to fraction form
    19,136.96/28,706.98 = 5,989.26/x
  3. Step 3: Cross multiply
    19,136.96x = 28,706.98 × 5,989.26
  4. Step 4: Simplify right side
    19,136.96x = 171,933,567.03
  5. Step 5: Solve for x
    x = 171,933,567.03/19,136.96
  6. Step 6: Final answer
    x = 8,984.37

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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.