Home / 19,701.36-29,563.56-11,910.96

Finding the Fourth Proportional to 19,701.36, 29,563.56 and 11,910.96

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Solution

The fourth proportional to 19,701.36, 29,563.56 and 11,910.96 is: 17,873.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701.36 : 29,563.56 = 11,910.96 : x
  2. Step 2: Convert to fraction form
    19,701.36/29,563.56 = 11,910.96/x
  3. Step 3: Cross multiply
    19,701.36x = 29,563.56 × 11,910.96
  4. Step 4: Simplify right side
    19,701.36x = 352,130,380.62
  5. Step 5: Solve for x
    x = 352,130,380.62/19,701.36
  6. Step 6: Final answer
    x = 17,873.40

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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.