Home / 16,811.12-23,198.40-9,257.15

Finding the Fourth Proportional to 16,811.12, 23,198.40 and 9,257.15

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Solution

The fourth proportional to 16,811.12, 23,198.40 and 9,257.15 is: 12,774.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,811.12 : 23,198.40 = 9,257.15 : x
  2. Step 2: Convert to fraction form
    16,811.12/23,198.40 = 9,257.15/x
  3. Step 3: Cross multiply
    16,811.12x = 23,198.40 × 9,257.15
  4. Step 4: Simplify right side
    16,811.12x = 214,750,952.57
  5. Step 5: Solve for x
    x = 214,750,952.57/16,811.12
  6. Step 6: Final answer
    x = 12,774.34

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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.