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Finding the Fourth Proportional to 14,369.84, 19,828.83 and 7,995.41

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Solution

The fourth proportional to 14,369.84, 19,828.83 and 7,995.41 is: 11,032.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,369.84 : 19,828.83 = 7,995.41 : x
  2. Step 2: Convert to fraction form
    14,369.84/19,828.83 = 7,995.41/x
  3. Step 3: Cross multiply
    14,369.84x = 19,828.83 × 7,995.41
  4. Step 4: Simplify right side
    14,369.84x = 158,539,630.87
  5. Step 5: Solve for x
    x = 158,539,630.87/14,369.84
  6. Step 6: Final answer
    x = 11,032.81

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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.