Home / 14,362.74-19,820.97-8,076.60

Finding the Fourth Proportional to 14,362.74, 19,820.97 and 8,076.60

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Solution

The fourth proportional to 14,362.74, 19,820.97 and 8,076.60 is: 11,145.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,362.74 : 19,820.97 = 8,076.60 : x
  2. Step 2: Convert to fraction form
    14,362.74/19,820.97 = 8,076.60/x
  3. Step 3: Cross multiply
    14,362.74x = 19,820.97 × 8,076.60
  4. Step 4: Simplify right side
    14,362.74x = 160,086,046.30
  5. Step 5: Solve for x
    x = 160,086,046.30/14,362.74
  6. Step 6: Final answer
    x = 11,145.93

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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.