Home / 13,964.87-19,271.48-7,996.65

Finding the Fourth Proportional to 13,964.87, 19,271.48 and 7,996.65

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Solution

The fourth proportional to 13,964.87, 19,271.48 and 7,996.65 is: 11,035.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,964.87 : 19,271.48 = 7,996.65 : x
  2. Step 2: Convert to fraction form
    13,964.87/19,271.48 = 7,996.65/x
  3. Step 3: Cross multiply
    13,964.87x = 19,271.48 × 7,996.65
  4. Step 4: Simplify right side
    13,964.87x = 154,107,240.56
  5. Step 5: Solve for x
    x = 154,107,240.56/13,964.87
  6. Step 6: Final answer
    x = 11,035.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.