Home / 19,055.99-28,579.37-7,956.65

Finding the Fourth Proportional to 19,055.99, 28,579.37 and 7,956.65

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Solution

The fourth proportional to 19,055.99, 28,579.37 and 7,956.65 is: 11,933.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,055.99 : 28,579.37 = 7,956.65 : x
  2. Step 2: Convert to fraction form
    19,055.99/28,579.37 = 7,956.65/x
  3. Step 3: Cross multiply
    19,055.99x = 28,579.37 × 7,956.65
  4. Step 4: Simplify right side
    19,055.99x = 227,395,861.63
  5. Step 5: Solve for x
    x = 227,395,861.63/19,055.99
  6. Step 6: Final answer
    x = 11,933.04

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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.