Home / 18,950.34-28,429.62-7,263.57

Finding the Fourth Proportional to 18,950.34, 28,429.62 and 7,263.57

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Solution

The fourth proportional to 18,950.34, 28,429.62 and 7,263.57 is: 10,896.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,950.34 : 28,429.62 = 7,263.57 : x
  2. Step 2: Convert to fraction form
    18,950.34/28,429.62 = 7,263.57/x
  3. Step 3: Cross multiply
    18,950.34x = 28,429.62 × 7,263.57
  4. Step 4: Simplify right side
    18,950.34x = 206,500,534.94
  5. Step 5: Solve for x
    x = 206,500,534.94/18,950.34
  6. Step 6: Final answer
    x = 10,896.93

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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.