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Finding the Fourth Proportional to 14,395.70, 19,866.51 and 7,936.01

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Solution

The fourth proportional to 14,395.70, 19,866.51 and 7,936.01 is: 10,951.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,395.70 : 19,866.51 = 7,936.01 : x
  2. Step 2: Convert to fraction form
    14,395.70/19,866.51 = 7,936.01/x
  3. Step 3: Cross multiply
    14,395.70x = 19,866.51 × 7,936.01
  4. Step 4: Simplify right side
    14,395.70x = 157,660,822.03
  5. Step 5: Solve for x
    x = 157,660,822.03/14,395.70
  6. Step 6: Final answer
    x = 10,951.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.