Home / 13,836.07-19,092.45-7,867.41

Finding the Fourth Proportional to 13,836.07, 19,092.45 and 7,867.41

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Solution

The fourth proportional to 13,836.07, 19,092.45 and 7,867.41 is: 10,856.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.07 : 19,092.45 = 7,867.41 : x
  2. Step 2: Convert to fraction form
    13,836.07/19,092.45 = 7,867.41/x
  3. Step 3: Cross multiply
    13,836.07x = 19,092.45 × 7,867.41
  4. Step 4: Simplify right side
    13,836.07x = 150,208,132.05
  5. Step 5: Solve for x
    x = 150,208,132.05/13,836.07
  6. Step 6: Final answer
    x = 10,856.27

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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.