Home / 17,191.77-25,827.12-12,137.58

Finding the Fourth Proportional to 17,191.77, 25,827.12 and 12,137.58

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Solution

The fourth proportional to 17,191.77, 25,827.12 and 12,137.58 is: 18,234.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,191.77 : 25,827.12 = 12,137.58 : x
  2. Step 2: Convert to fraction form
    17,191.77/25,827.12 = 12,137.58/x
  3. Step 3: Cross multiply
    17,191.77x = 25,827.12 × 12,137.58
  4. Step 4: Simplify right side
    17,191.77x = 313,478,735.17
  5. Step 5: Solve for x
    x = 313,478,735.17/17,191.77
  6. Step 6: Final answer
    x = 18,234.23

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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.