Home / 13,860.27-19,127.25-7,892.37

Finding the Fourth Proportional to 13,860.27, 19,127.25 and 7,892.37

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Solution

The fourth proportional to 13,860.27, 19,127.25 and 7,892.37 is: 10,891.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,860.27 : 19,127.25 = 7,892.37 : x
  2. Step 2: Convert to fraction form
    13,860.27/19,127.25 = 7,892.37/x
  3. Step 3: Cross multiply
    13,860.27x = 19,127.25 × 7,892.37
  4. Step 4: Simplify right side
    13,860.27x = 150,959,334.08
  5. Step 5: Solve for x
    x = 150,959,334.08/13,860.27
  6. Step 6: Final answer
    x = 10,891.51

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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.