Home / 17,620.35-26,401.29-12,682.59

Finding the Fourth Proportional to 17,620.35, 26,401.29 and 12,682.59

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Solution

The fourth proportional to 17,620.35, 26,401.29 and 12,682.59 is: 19,002.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,620.35 : 26,401.29 = 12,682.59 : x
  2. Step 2: Convert to fraction form
    17,620.35/26,401.29 = 12,682.59/x
  3. Step 3: Cross multiply
    17,620.35x = 26,401.29 × 12,682.59
  4. Step 4: Simplify right side
    17,620.35x = 334,836,736.54
  5. Step 5: Solve for x
    x = 334,836,736.54/17,620.35
  6. Step 6: Final answer
    x = 19,002.84

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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.