Home / 18,450.14-27,671.75-4,941.45

Finding the Fourth Proportional to 18,450.14, 27,671.75 and 4,941.45

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Solution

The fourth proportional to 18,450.14, 27,671.75 and 4,941.45 is: 7,411.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,450.14 : 27,671.75 = 4,941.45 : x
  2. Step 2: Convert to fraction form
    18,450.14/27,671.75 = 4,941.45/x
  3. Step 3: Cross multiply
    18,450.14x = 27,671.75 × 4,941.45
  4. Step 4: Simplify right side
    18,450.14x = 136,738,544.33
  5. Step 5: Solve for x
    x = 136,738,544.33/18,450.14
  6. Step 6: Final answer
    x = 7,411.25

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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.