Home / 18,940.26-26,136.39-10,441.95

Finding the Fourth Proportional to 18,940.26, 26,136.39 and 10,441.95

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Solution

The fourth proportional to 18,940.26, 26,136.39 and 10,441.95 is: 14,409.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,940.26 : 26,136.39 = 10,441.95 : x
  2. Step 2: Convert to fraction form
    18,940.26/26,136.39 = 10,441.95/x
  3. Step 3: Cross multiply
    18,940.26x = 26,136.39 × 10,441.95
  4. Step 4: Simplify right side
    18,940.26x = 272,914,877.56
  5. Step 5: Solve for x
    x = 272,914,877.56/18,940.26
  6. Step 6: Final answer
    x = 14,409.25

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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.