Home / 18,968.76-26,182.44-11,014.56

Finding the Fourth Proportional to 18,968.76, 26,182.44 and 11,014.56

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Solution

The fourth proportional to 18,968.76, 26,182.44 and 11,014.56 is: 15,203.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,968.76 : 26,182.44 = 11,014.56 : x
  2. Step 2: Convert to fraction form
    18,968.76/26,182.44 = 11,014.56/x
  3. Step 3: Cross multiply
    18,968.76x = 26,182.44 × 11,014.56
  4. Step 4: Simplify right side
    18,968.76x = 288,388,056.33
  5. Step 5: Solve for x
    x = 288,388,056.33/18,968.76
  6. Step 6: Final answer
    x = 15,203.32

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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.