Home / 19,865.06-27,412.43-10,912.94

Finding the Fourth Proportional to 19,865.06, 27,412.43 and 10,912.94

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Solution

The fourth proportional to 19,865.06, 27,412.43 and 10,912.94 is: 15,059.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,865.06 : 27,412.43 = 10,912.94 : x
  2. Step 2: Convert to fraction form
    19,865.06/27,412.43 = 10,912.94/x
  3. Step 3: Cross multiply
    19,865.06x = 27,412.43 × 10,912.94
  4. Step 4: Simplify right side
    19,865.06x = 299,150,203.84
  5. Step 5: Solve for x
    x = 299,150,203.84/19,865.06
  6. Step 6: Final answer
    x = 15,059.11

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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.