Home / 16,739.80-23,100.90-9,668.44

Finding the Fourth Proportional to 16,739.80, 23,100.90 and 9,668.44

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Solution

The fourth proportional to 16,739.80, 23,100.90 and 9,668.44 is: 13,342.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,739.80 : 23,100.90 = 9,668.44 : x
  2. Step 2: Convert to fraction form
    16,739.80/23,100.90 = 9,668.44/x
  3. Step 3: Cross multiply
    16,739.80x = 23,100.90 × 9,668.44
  4. Step 4: Simplify right side
    16,739.80x = 223,349,665.60
  5. Step 5: Solve for x
    x = 223,349,665.60/16,739.80
  6. Step 6: Final answer
    x = 13,342.43

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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.