Home / 13,241.07-19,857.56-3,881.79

Finding the Fourth Proportional to 13,241.07, 19,857.56 and 3,881.79

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Solution

The fourth proportional to 13,241.07, 19,857.56 and 3,881.79 is: 5,821.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.07 : 19,857.56 = 3,881.79 : x
  2. Step 2: Convert to fraction form
    13,241.07/19,857.56 = 3,881.79/x
  3. Step 3: Cross multiply
    13,241.07x = 19,857.56 × 3,881.79
  4. Step 4: Simplify right side
    13,241.07x = 77,082,858.42
  5. Step 5: Solve for x
    x = 77,082,858.42/13,241.07
  6. Step 6: Final answer
    x = 5,821.50

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1.5x scale

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.