Home / 14,474.79-21,707.69-5,112.65

Finding the Fourth Proportional to 14,474.79, 21,707.69 and 5,112.65

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Solution

The fourth proportional to 14,474.79, 21,707.69 and 5,112.65 is: 7,667.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,474.79 : 21,707.69 = 5,112.65 : x
  2. Step 2: Convert to fraction form
    14,474.79/21,707.69 = 5,112.65/x
  3. Step 3: Cross multiply
    14,474.79x = 21,707.69 × 5,112.65
  4. Step 4: Simplify right side
    14,474.79x = 110,983,888.33
  5. Step 5: Solve for x
    x = 110,983,888.33/14,474.79
  6. Step 6: Final answer
    x = 7,667.39

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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.