Home / 25,078.26-34,608.12-13,900.26

Finding the Fourth Proportional to 25,078.26, 34,608.12 and 13,900.26

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Solution

The fourth proportional to 25,078.26, 34,608.12 and 13,900.26 is: 19,182.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,078.26 : 34,608.12 = 13,900.26 : x
  2. Step 2: Convert to fraction form
    25,078.26/34,608.12 = 13,900.26/x
  3. Step 3: Cross multiply
    25,078.26x = 34,608.12 × 13,900.26
  4. Step 4: Simplify right side
    25,078.26x = 481,061,866.11
  5. Step 5: Solve for x
    x = 481,061,866.11/25,078.26
  6. Step 6: Final answer
    x = 19,182.43

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1.5x scale

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.