Home / 19,865.14-27,412.26-10,912.44

Finding the Fourth Proportional to 19,865.14, 27,412.26 and 10,912.44

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Solution

The fourth proportional to 19,865.14, 27,412.26 and 10,912.44 is: 15,058.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,865.14 : 27,412.26 = 10,912.44 : x
  2. Step 2: Convert to fraction form
    19,865.14/27,412.26 = 10,912.44/x
  3. Step 3: Cross multiply
    19,865.14x = 27,412.26 × 10,912.44
  4. Step 4: Simplify right side
    19,865.14x = 299,134,642.51
  5. Step 5: Solve for x
    x = 299,134,642.51/19,865.14
  6. Step 6: Final answer
    x = 15,058.27

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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.