Home / 19,912.89-27,479.97-10,960.14

Finding the Fourth Proportional to 19,912.89, 27,479.97 and 10,960.14

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Solution

The fourth proportional to 19,912.89, 27,479.97 and 10,960.14 is: 15,125.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,912.89 : 27,479.97 = 10,960.14 : x
  2. Step 2: Convert to fraction form
    19,912.89/27,479.97 = 10,960.14/x
  3. Step 3: Cross multiply
    19,912.89x = 27,479.97 × 10,960.14
  4. Step 4: Simplify right side
    19,912.89x = 301,184,318.40
  5. Step 5: Solve for x
    x = 301,184,318.40/19,912.89
  6. Step 6: Final answer
    x = 15,125.09

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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.