Home / 13,102.36-19,648.78-5,705.03

Finding the Fourth Proportional to 13,102.36, 19,648.78 and 5,705.03

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Solution

The fourth proportional to 13,102.36, 19,648.78 and 5,705.03 is: 8,555.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,102.36 : 19,648.78 = 5,705.03 : x
  2. Step 2: Convert to fraction form
    13,102.36/19,648.78 = 5,705.03/x
  3. Step 3: Cross multiply
    13,102.36x = 19,648.78 × 5,705.03
  4. Step 4: Simplify right side
    13,102.36x = 112,096,914.22
  5. Step 5: Solve for x
    x = 112,096,914.22/13,102.36
  6. Step 6: Final answer
    x = 8,555.48

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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.