Home / 19,968.50-27,556.53-11,136.50

Finding the Fourth Proportional to 19,968.50, 27,556.53 and 11,136.50

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Solution

The fourth proportional to 19,968.50, 27,556.53 and 11,136.50 is: 15,368.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968.50 : 27,556.53 = 11,136.50 : x
  2. Step 2: Convert to fraction form
    19,968.50/27,556.53 = 11,136.50/x
  3. Step 3: Cross multiply
    19,968.50x = 27,556.53 × 11,136.50
  4. Step 4: Simplify right side
    19,968.50x = 306,883,296.35
  5. Step 5: Solve for x
    x = 306,883,296.35/19,968.50
  6. Step 6: Final answer
    x = 15,368.37

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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.