Home / 13,132.08-19,699.01-3,771.38

Finding the Fourth Proportional to 13,132.08, 19,699.01 and 3,771.38

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Solution

The fourth proportional to 13,132.08, 19,699.01 and 3,771.38 is: 5,657.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.08 : 19,699.01 = 3,771.38 : x
  2. Step 2: Convert to fraction form
    13,132.08/19,699.01 = 3,771.38/x
  3. Step 3: Cross multiply
    13,132.08x = 19,699.01 × 3,771.38
  4. Step 4: Simplify right side
    13,132.08x = 74,292,452.33
  5. Step 5: Solve for x
    x = 74,292,452.33/13,132.08
  6. Step 6: Final answer
    x = 5,657.33

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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.