Home / 14,227.93-19,629.96-7,939.09

Finding the Fourth Proportional to 14,227.93, 19,629.96 and 7,939.09

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Solution

The fourth proportional to 14,227.93, 19,629.96 and 7,939.09 is: 10,953.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,227.93 : 19,629.96 = 7,939.09 : x
  2. Step 2: Convert to fraction form
    14,227.93/19,629.96 = 7,939.09/x
  3. Step 3: Cross multiply
    14,227.93x = 19,629.96 × 7,939.09
  4. Step 4: Simplify right side
    14,227.93x = 155,844,019.14
  5. Step 5: Solve for x
    x = 155,844,019.14/14,227.93
  6. Step 6: Final answer
    x = 10,953.39

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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.