Home / 13,270.44-19,902.67-3,911.10

Finding the Fourth Proportional to 13,270.44, 19,902.67 and 3,911.10

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Solution

The fourth proportional to 13,270.44, 19,902.67 and 3,911.10 is: 5,865.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.44 : 19,902.67 = 3,911.10 : x
  2. Step 2: Convert to fraction form
    13,270.44/19,902.67 = 3,911.10/x
  3. Step 3: Cross multiply
    13,270.44x = 19,902.67 × 3,911.10
  4. Step 4: Simplify right side
    13,270.44x = 77,841,332.64
  5. Step 5: Solve for x
    x = 77,841,332.64/13,270.44
  6. Step 6: Final answer
    x = 5,865.77

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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.