Home / 14,757.36-20,365.62-8,043.21

Finding the Fourth Proportional to 14,757.36, 20,365.62 and 8,043.21

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Solution

The fourth proportional to 14,757.36, 20,365.62 and 8,043.21 is: 11,099.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,757.36 : 20,365.62 = 8,043.21 : x
  2. Step 2: Convert to fraction form
    14,757.36/20,365.62 = 8,043.21/x
  3. Step 3: Cross multiply
    14,757.36x = 20,365.62 × 8,043.21
  4. Step 4: Simplify right side
    14,757.36x = 163,804,958.44
  5. Step 5: Solve for x
    x = 163,804,958.44/14,757.36
  6. Step 6: Final answer
    x = 11,099.88

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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.