Home / 16,966.20-23,425.49-11,314.28

Finding the Fourth Proportional to 16,966.20, 23,425.49 and 11,314.28

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Solution

The fourth proportional to 16,966.20, 23,425.49 and 11,314.28 is: 15,621.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,966.20 : 23,425.49 = 11,314.28 : x
  2. Step 2: Convert to fraction form
    16,966.20/23,425.49 = 11,314.28/x
  3. Step 3: Cross multiply
    16,966.20x = 23,425.49 × 11,314.28
  4. Step 4: Simplify right side
    16,966.20x = 265,042,379.30
  5. Step 5: Solve for x
    x = 265,042,379.30/16,966.20
  6. Step 6: Final answer
    x = 15,621.79

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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.