Home / 18,629.60-27,948.44-9,274.70

Finding the Fourth Proportional to 18,629.60, 27,948.44 and 9,274.70

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Solution

The fourth proportional to 18,629.60, 27,948.44 and 9,274.70 is: 13,914.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629.60 : 27,948.44 = 9,274.70 : x
  2. Step 2: Convert to fraction form
    18,629.60/27,948.44 = 9,274.70/x
  3. Step 3: Cross multiply
    18,629.60x = 27,948.44 × 9,274.70
  4. Step 4: Simplify right side
    18,629.60x = 259,213,489.53
  5. Step 5: Solve for x
    x = 259,213,489.53/18,629.60
  6. Step 6: Final answer
    x = 13,914.07

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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.