Home / 14,227.07-19,633.36-7,939.44

Finding the Fourth Proportional to 14,227.07, 19,633.36 and 7,939.44

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Solution

The fourth proportional to 14,227.07, 19,633.36 and 7,939.44 is: 10,956.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,227.07 : 19,633.36 = 7,939.44 : x
  2. Step 2: Convert to fraction form
    14,227.07/19,633.36 = 7,939.44/x
  3. Step 3: Cross multiply
    14,227.07x = 19,633.36 × 7,939.44
  4. Step 4: Simplify right side
    14,227.07x = 155,877,883.72
  5. Step 5: Solve for x
    x = 155,877,883.72/14,227.07
  6. Step 6: Final answer
    x = 10,956.43

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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.