Home / 18,629.69-25,709.04-10,131.84

Finding the Fourth Proportional to 18,629.69, 25,709.04 and 10,131.84

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Solution

The fourth proportional to 18,629.69, 25,709.04 and 10,131.84 is: 13,981.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629.69 : 25,709.04 = 10,131.84 : x
  2. Step 2: Convert to fraction form
    18,629.69/25,709.04 = 10,131.84/x
  3. Step 3: Cross multiply
    18,629.69x = 25,709.04 × 10,131.84
  4. Step 4: Simplify right side
    18,629.69x = 260,479,879.83
  5. Step 5: Solve for x
    x = 260,479,879.83/18,629.69
  6. Step 6: Final answer
    x = 13,981.98

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