Home / 19,913.44-29,883.12-8,827.36

Finding the Fourth Proportional to 19,913.44, 29,883.12 and 8,827.36

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Solution

The fourth proportional to 19,913.44, 29,883.12 and 8,827.36 is: 13,246.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,913.44 : 29,883.12 = 8,827.36 : x
  2. Step 2: Convert to fraction form
    19,913.44/29,883.12 = 8,827.36/x
  3. Step 3: Cross multiply
    19,913.44x = 29,883.12 × 8,827.36
  4. Step 4: Simplify right side
    19,913.44x = 263,789,058.16
  5. Step 5: Solve for x
    x = 263,789,058.16/19,913.44
  6. Step 6: Final answer
    x = 13,246.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.