Home / 15,136.26-20,877.06-11,674.04

Finding the Fourth Proportional to 15,136.26, 20,877.06 and 11,674.04

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Solution

The fourth proportional to 15,136.26, 20,877.06 and 11,674.04 is: 16,101.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,136.26 : 20,877.06 = 11,674.04 : x
  2. Step 2: Convert to fraction form
    15,136.26/20,877.06 = 11,674.04/x
  3. Step 3: Cross multiply
    15,136.26x = 20,877.06 × 11,674.04
  4. Step 4: Simplify right side
    15,136.26x = 243,719,633.52
  5. Step 5: Solve for x
    x = 243,719,633.52/15,136.26
  6. Step 6: Final answer
    x = 16,101.71

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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.