Home / 16,839.86-23,240.99-9,766.53

Finding the Fourth Proportional to 16,839.86, 23,240.99 and 9,766.53

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Solution

The fourth proportional to 16,839.86, 23,240.99 and 9,766.53 is: 13,478.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,839.86 : 23,240.99 = 9,766.53 : x
  2. Step 2: Convert to fraction form
    16,839.86/23,240.99 = 9,766.53/x
  3. Step 3: Cross multiply
    16,839.86x = 23,240.99 × 9,766.53
  4. Step 4: Simplify right side
    16,839.86x = 226,983,850.48
  5. Step 5: Solve for x
    x = 226,983,850.48/16,839.86
  6. Step 6: Final answer
    x = 13,478.97

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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.