Home / 14,181.94-19,570.73-7,894.18

Finding the Fourth Proportional to 14,181.94, 19,570.73 and 7,894.18

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Solution

The fourth proportional to 14,181.94, 19,570.73 and 7,894.18 is: 10,893.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.94 : 19,570.73 = 7,894.18 : x
  2. Step 2: Convert to fraction form
    14,181.94/19,570.73 = 7,894.18/x
  3. Step 3: Cross multiply
    14,181.94x = 19,570.73 × 7,894.18
  4. Step 4: Simplify right side
    14,181.94x = 154,494,865.35
  5. Step 5: Solve for x
    x = 154,494,865.35/14,181.94
  6. Step 6: Final answer
    x = 10,893.78

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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.