Home / 30,396.95-41,954.79-17,825.75

Finding the Fourth Proportional to 30,396.95, 41,954.79 and 17,825.75

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Solution

The fourth proportional to 30,396.95, 41,954.79 and 17,825.75 is: 24,603.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,396.95 : 41,954.79 = 17,825.75 : x
  2. Step 2: Convert to fraction form
    30,396.95/41,954.79 = 17,825.75/x
  3. Step 3: Cross multiply
    30,396.95x = 41,954.79 × 17,825.75
  4. Step 4: Simplify right side
    30,396.95x = 747,875,388.07
  5. Step 5: Solve for x
    x = 747,875,388.07/30,396.95
  6. Step 6: Final answer
    x = 24,603.64

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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.