Home / 14,883.73-20,539.78-8,169.98

Finding the Fourth Proportional to 14,883.73, 20,539.78 and 8,169.98

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Solution

The fourth proportional to 14,883.73, 20,539.78 and 8,169.98 is: 11,274.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,883.73 : 20,539.78 = 8,169.98 : x
  2. Step 2: Convert to fraction form
    14,883.73/20,539.78 = 8,169.98/x
  3. Step 3: Cross multiply
    14,883.73x = 20,539.78 × 8,169.98
  4. Step 4: Simplify right side
    14,883.73x = 167,809,468.68
  5. Step 5: Solve for x
    x = 167,809,468.68/14,883.73
  6. Step 6: Final answer
    x = 11,274.69

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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.