Home / 16,765.56-23,136.96-9,212.36

Finding the Fourth Proportional to 16,765.56, 23,136.96 and 9,212.36

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Solution

The fourth proportional to 16,765.56, 23,136.96 and 9,212.36 is: 12,713.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,765.56 : 23,136.96 = 9,212.36 : x
  2. Step 2: Convert to fraction form
    16,765.56/23,136.96 = 9,212.36/x
  3. Step 3: Cross multiply
    16,765.56x = 23,136.96 × 9,212.36
  4. Step 4: Simplify right side
    16,765.56x = 213,146,004.83
  5. Step 5: Solve for x
    x = 213,146,004.83/16,765.56
  6. Step 6: Final answer
    x = 12,713.32

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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.