Home / 25,075.87-34,604.55-13,745.84

Finding the Fourth Proportional to 25,075.87, 34,604.55 and 13,745.84

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Solution

The fourth proportional to 25,075.87, 34,604.55 and 13,745.84 is: 18,969.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,075.87 : 34,604.55 = 13,745.84 : x
  2. Step 2: Convert to fraction form
    25,075.87/34,604.55 = 13,745.84/x
  3. Step 3: Cross multiply
    25,075.87x = 34,604.55 × 13,745.84
  4. Step 4: Simplify right side
    25,075.87x = 475,668,694.08
  5. Step 5: Solve for x
    x = 475,668,694.08/25,075.87
  6. Step 6: Final answer
    x = 18,969.18

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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.