Home / 19,216.84-28,832.22-7,538.04

Finding the Fourth Proportional to 19,216.84, 28,832.22 and 7,538.04

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Solution

The fourth proportional to 19,216.84, 28,832.22 and 7,538.04 is: 11,309.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216.84 : 28,832.22 = 7,538.04 : x
  2. Step 2: Convert to fraction form
    19,216.84/28,832.22 = 7,538.04/x
  3. Step 3: Cross multiply
    19,216.84x = 28,832.22 × 7,538.04
  4. Step 4: Simplify right side
    19,216.84x = 217,338,427.65
  5. Step 5: Solve for x
    x = 217,338,427.65/19,216.84
  6. Step 6: Final answer
    x = 11,309.79

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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.