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Finding the Fourth Proportional to 14,363.92, 19,822.08 and 8,076.34

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Solution

The fourth proportional to 14,363.92, 19,822.08 and 8,076.34 is: 11,145.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,363.92 : 19,822.08 = 8,076.34 : x
  2. Step 2: Convert to fraction form
    14,363.92/19,822.08 = 8,076.34/x
  3. Step 3: Cross multiply
    14,363.92x = 19,822.08 × 8,076.34
  4. Step 4: Simplify right side
    14,363.92x = 160,089,857.59
  5. Step 5: Solve for x
    x = 160,089,857.59/14,363.92
  6. Step 6: Final answer
    x = 11,145.28

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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.