Home / 13,900.44-19,185.58-8,863.50

Finding the Fourth Proportional to 13,900.44, 19,185.58 and 8,863.50

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Solution

The fourth proportional to 13,900.44, 19,185.58 and 8,863.50 is: 12,233.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900.44 : 19,185.58 = 8,863.50 : x
  2. Step 2: Convert to fraction form
    13,900.44/19,185.58 = 8,863.50/x
  3. Step 3: Cross multiply
    13,900.44x = 19,185.58 × 8,863.50
  4. Step 4: Simplify right side
    13,900.44x = 170,051,388.33
  5. Step 5: Solve for x
    x = 170,051,388.33/13,900.44
  6. Step 6: Final answer
    x = 12,233.53

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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.