Home / 25,075.79-34,603.83-13,745.03

Finding the Fourth Proportional to 25,075.79, 34,603.83 and 13,745.03

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Solution

The fourth proportional to 25,075.79, 34,603.83 and 13,745.03 is: 18,967.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,075.79 : 34,603.83 = 13,745.03 : x
  2. Step 2: Convert to fraction form
    25,075.79/34,603.83 = 13,745.03/x
  3. Step 3: Cross multiply
    25,075.79x = 34,603.83 × 13,745.03
  4. Step 4: Simplify right side
    25,075.79x = 475,630,767.97
  5. Step 5: Solve for x
    x = 475,630,767.97/25,075.79
  6. Step 6: Final answer
    x = 18,967.73

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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.