Home / 13,896.88-19,173.90-7,926.37

Finding the Fourth Proportional to 13,896.88, 19,173.90 and 7,926.37

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Solution

The fourth proportional to 13,896.88, 19,173.90 and 7,926.37 is: 10,936.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,896.88 : 19,173.90 = 7,926.37 : x
  2. Step 2: Convert to fraction form
    13,896.88/19,173.90 = 7,926.37/x
  3. Step 3: Cross multiply
    13,896.88x = 19,173.90 × 7,926.37
  4. Step 4: Simplify right side
    13,896.88x = 151,979,425.74
  5. Step 5: Solve for x
    x = 151,979,425.74/13,896.88
  6. Step 6: Final answer
    x = 10,936.23

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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.