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Finding the Fourth Proportional to 14,304.44, 19,739.87 and 8,254.64

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Solution

The fourth proportional to 14,304.44, 19,739.87 and 8,254.64 is: 11,391.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,304.44 : 19,739.87 = 8,254.64 : x
  2. Step 2: Convert to fraction form
    14,304.44/19,739.87 = 8,254.64/x
  3. Step 3: Cross multiply
    14,304.44x = 19,739.87 × 8,254.64
  4. Step 4: Simplify right side
    14,304.44x = 162,945,479.22
  5. Step 5: Solve for x
    x = 162,945,479.22/14,304.44
  6. Step 6: Final answer
    x = 11,391.25

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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.