Home / 16,770.52-23,143.20-9,216.92

Finding the Fourth Proportional to 16,770.52, 23,143.20 and 9,216.92

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Solution

The fourth proportional to 16,770.52, 23,143.20 and 9,216.92 is: 12,719.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770.52 : 23,143.20 = 9,216.92 : x
  2. Step 2: Convert to fraction form
    16,770.52/23,143.20 = 9,216.92/x
  3. Step 3: Cross multiply
    16,770.52x = 23,143.20 × 9,216.92
  4. Step 4: Simplify right side
    16,770.52x = 213,309,022.94
  5. Step 5: Solve for x
    x = 213,309,022.94/16,770.52
  6. Step 6: Final answer
    x = 12,719.28

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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.