Home / 12,194.20-16,826.70-9,009.16

Finding the Fourth Proportional to 12,194.20, 16,826.70 and 9,009.16

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Solution

The fourth proportional to 12,194.20, 16,826.70 and 9,009.16 is: 12,431.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,194.20 : 16,826.70 = 9,009.16 : x
  2. Step 2: Convert to fraction form
    12,194.20/16,826.70 = 9,009.16/x
  3. Step 3: Cross multiply
    12,194.20x = 16,826.70 × 9,009.16
  4. Step 4: Simplify right side
    12,194.20x = 151,594,432.57
  5. Step 5: Solve for x
    x = 151,594,432.57/12,194.20
  6. Step 6: Final answer
    x = 12,431.68

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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.