Home / 16,784.58-23,163.18-9,231.36

Finding the Fourth Proportional to 16,784.58, 23,163.18 and 9,231.36

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Solution

The fourth proportional to 16,784.58, 23,163.18 and 9,231.36 is: 12,739.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,784.58 : 23,163.18 = 9,231.36 : x
  2. Step 2: Convert to fraction form
    16,784.58/23,163.18 = 9,231.36/x
  3. Step 3: Cross multiply
    16,784.58x = 23,163.18 × 9,231.36
  4. Step 4: Simplify right side
    16,784.58x = 213,827,653.32
  5. Step 5: Solve for x
    x = 213,827,653.32/16,784.58
  6. Step 6: Final answer
    x = 12,739.53

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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.