Home / 25,231.26-34,821.86-13,901.90

Finding the Fourth Proportional to 25,231.26, 34,821.86 and 13,901.90

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Solution

The fourth proportional to 25,231.26, 34,821.86 and 13,901.90 is: 19,186.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,231.26 : 34,821.86 = 13,901.90 : x
  2. Step 2: Convert to fraction form
    25,231.26/34,821.86 = 13,901.90/x
  3. Step 3: Cross multiply
    25,231.26x = 34,821.86 × 13,901.90
  4. Step 4: Simplify right side
    25,231.26x = 484,090,033.08
  5. Step 5: Solve for x
    x = 484,090,033.08/25,231.26
  6. Step 6: Final answer
    x = 19,186.12

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Why These Related Problems?

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