Home / 13,961.84-20,943.78-5,196.75

Finding the Fourth Proportional to 13,961.84, 20,943.78 and 5,196.75

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Solution

The fourth proportional to 13,961.84, 20,943.78 and 5,196.75 is: 7,795.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.84 : 20,943.78 = 5,196.75 : x
  2. Step 2: Convert to fraction form
    13,961.84/20,943.78 = 5,196.75/x
  3. Step 3: Cross multiply
    13,961.84x = 20,943.78 × 5,196.75
  4. Step 4: Simplify right side
    13,961.84x = 108,839,588.72
  5. Step 5: Solve for x
    x = 108,839,588.72/13,961.84
  6. Step 6: Final answer
    x = 7,795.50

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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.