Home / 16,768.88-23,143.92-9,699.60

Finding the Fourth Proportional to 16,768.88, 23,143.92 and 9,699.60

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Solution

The fourth proportional to 16,768.88, 23,143.92 and 9,699.60 is: 13,387.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,768.88 : 23,143.92 = 9,699.60 : x
  2. Step 2: Convert to fraction form
    16,768.88/23,143.92 = 9,699.60/x
  3. Step 3: Cross multiply
    16,768.88x = 23,143.92 × 9,699.60
  4. Step 4: Simplify right side
    16,768.88x = 224,486,766.43
  5. Step 5: Solve for x
    x = 224,486,766.43/16,768.88
  6. Step 6: Final answer
    x = 13,387.11

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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.