Home / 17,184.20-25,772.70-8,425.40

Finding the Fourth Proportional to 17,184.20, 25,772.70 and 8,425.40

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Solution

The fourth proportional to 17,184.20, 25,772.70 and 8,425.40 is: 12,636.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,184.20 : 25,772.70 = 8,425.40 : x
  2. Step 2: Convert to fraction form
    17,184.20/25,772.70 = 8,425.40/x
  3. Step 3: Cross multiply
    17,184.20x = 25,772.70 × 8,425.40
  4. Step 4: Simplify right side
    17,184.20x = 217,145,306.58
  5. Step 5: Solve for x
    x = 217,145,306.58/17,184.20
  6. Step 6: Final answer
    x = 12,636.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.