Home / 16,380.52-22,606.74-9,668.36

Finding the Fourth Proportional to 16,380.52, 22,606.74 and 9,668.36

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Solution

The fourth proportional to 16,380.52, 22,606.74 and 9,668.36 is: 13,343.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,380.52 : 22,606.74 = 9,668.36 : x
  2. Step 2: Convert to fraction form
    16,380.52/22,606.74 = 9,668.36/x
  3. Step 3: Cross multiply
    16,380.52x = 22,606.74 × 9,668.36
  4. Step 4: Simplify right side
    16,380.52x = 218,570,100.75
  5. Step 5: Solve for x
    x = 218,570,100.75/16,380.52
  6. Step 6: Final answer
    x = 13,343.29

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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.