Home / 14,642.20-20,197.99-9,262.97

Finding the Fourth Proportional to 14,642.20, 20,197.99 and 9,262.97

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Solution

The fourth proportional to 14,642.20, 20,197.99 and 9,262.97 is: 12,777.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,642.20 : 20,197.99 = 9,262.97 : x
  2. Step 2: Convert to fraction form
    14,642.20/20,197.99 = 9,262.97/x
  3. Step 3: Cross multiply
    14,642.20x = 20,197.99 × 9,262.97
  4. Step 4: Simplify right side
    14,642.20x = 187,093,329.12
  5. Step 5: Solve for x
    x = 187,093,329.12/14,642.20
  6. Step 6: Final answer
    x = 12,777.68

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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.