Home / 16,771.23-23,143.27-9,216.09

Finding the Fourth Proportional to 16,771.23, 23,143.27 and 9,216.09

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Solution

The fourth proportional to 16,771.23, 23,143.27 and 9,216.09 is: 12,717.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,771.23 : 23,143.27 = 9,216.09 : x
  2. Step 2: Convert to fraction form
    16,771.23/23,143.27 = 9,216.09/x
  3. Step 3: Cross multiply
    16,771.23x = 23,143.27 × 9,216.09
  4. Step 4: Simplify right side
    16,771.23x = 213,290,459.21
  5. Step 5: Solve for x
    x = 213,290,459.21/16,771.23
  6. Step 6: Final answer
    x = 12,717.64

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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.