Home / 16,968.69-25,411.49-11,958.75

Finding the Fourth Proportional to 16,968.69, 25,411.49 and 11,958.75

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Solution

The fourth proportional to 16,968.69, 25,411.49 and 11,958.75 is: 17,908.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,968.69 : 25,411.49 = 11,958.75 : x
  2. Step 2: Convert to fraction form
    16,968.69/25,411.49 = 11,958.75/x
  3. Step 3: Cross multiply
    16,968.69x = 25,411.49 × 11,958.75
  4. Step 4: Simplify right side
    16,968.69x = 303,889,669.12
  5. Step 5: Solve for x
    x = 303,889,669.12/16,968.69
  6. Step 6: Final answer
    x = 17,908.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.