Home / 19,651.77-27,106.52-12,586.95

Finding the Fourth Proportional to 19,651.77, 27,106.52 and 12,586.95

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Solution

The fourth proportional to 19,651.77, 27,106.52 and 12,586.95 is: 17,361.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,651.77 : 27,106.52 = 12,586.95 : x
  2. Step 2: Convert to fraction form
    19,651.77/27,106.52 = 12,586.95/x
  3. Step 3: Cross multiply
    19,651.77x = 27,106.52 × 12,586.95
  4. Step 4: Simplify right side
    19,651.77x = 341,188,348.98
  5. Step 5: Solve for x
    x = 341,188,348.98/19,651.77
  6. Step 6: Final answer
    x = 17,361.71

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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.