Home / 18,975.12-26,185.86-11,014.44

Finding the Fourth Proportional to 18,975.12, 26,185.86 and 11,014.44

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Solution

The fourth proportional to 18,975.12, 26,185.86 and 11,014.44 is: 15,200.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,975.12 : 26,185.86 = 11,014.44 : x
  2. Step 2: Convert to fraction form
    18,975.12/26,185.86 = 11,014.44/x
  3. Step 3: Cross multiply
    18,975.12x = 26,185.86 × 11,014.44
  4. Step 4: Simplify right side
    18,975.12x = 288,422,583.82
  5. Step 5: Solve for x
    x = 288,422,583.82/18,975.12
  6. Step 6: Final answer
    x = 15,200.04

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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.