Home / 18,844.06-28,266.09-7,157.28

Finding the Fourth Proportional to 18,844.06, 28,266.09 and 7,157.28

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Solution

The fourth proportional to 18,844.06, 28,266.09 and 7,157.28 is: 10,735.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,844.06 : 28,266.09 = 7,157.28 : x
  2. Step 2: Convert to fraction form
    18,844.06/28,266.09 = 7,157.28/x
  3. Step 3: Cross multiply
    18,844.06x = 28,266.09 × 7,157.28
  4. Step 4: Simplify right side
    18,844.06x = 202,308,320.64
  5. Step 5: Solve for x
    x = 202,308,320.64/18,844.06
  6. Step 6: Final answer
    x = 10,735.92

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.