Home / 14,185.54-21,278.94-7,076.62

Finding the Fourth Proportional to 14,185.54, 21,278.94 and 7,076.62

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Solution

The fourth proportional to 14,185.54, 21,278.94 and 7,076.62 is: 10,615.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,185.54 : 21,278.94 = 7,076.62 : x
  2. Step 2: Convert to fraction form
    14,185.54/21,278.94 = 7,076.62/x
  3. Step 3: Cross multiply
    14,185.54x = 21,278.94 × 7,076.62
  4. Step 4: Simplify right side
    14,185.54x = 150,582,972.38
  5. Step 5: Solve for x
    x = 150,582,972.38/14,185.54
  6. Step 6: Final answer
    x = 10,615.24

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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.