Home / 25,080.98-34,612.14-13,751.56

Finding the Fourth Proportional to 25,080.98, 34,612.14 and 13,751.56

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Solution

The fourth proportional to 25,080.98, 34,612.14 and 13,751.56 is: 18,977.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,080.98 : 34,612.14 = 13,751.56 : x
  2. Step 2: Convert to fraction form
    25,080.98/34,612.14 = 13,751.56/x
  3. Step 3: Cross multiply
    25,080.98x = 34,612.14 × 13,751.56
  4. Step 4: Simplify right side
    25,080.98x = 475,970,919.94
  5. Step 5: Solve for x
    x = 475,970,919.94/25,080.98
  6. Step 6: Final answer
    x = 18,977.37

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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.