Home / 16,733.69-25,112.67-13,485.99

Finding the Fourth Proportional to 16,733.69, 25,112.67 and 13,485.99

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Solution

The fourth proportional to 16,733.69, 25,112.67 and 13,485.99 is: 20,238.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,733.69 : 25,112.67 = 13,485.99 : x
  2. Step 2: Convert to fraction form
    16,733.69/25,112.67 = 13,485.99/x
  3. Step 3: Cross multiply
    16,733.69x = 25,112.67 × 13,485.99
  4. Step 4: Simplify right side
    16,733.69x = 338,669,260.09
  5. Step 5: Solve for x
    x = 338,669,260.09/16,733.69
  6. Step 6: Final answer
    x = 20,238.77

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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.