Home / 19,653.83-27,118.07-11,694.50

Finding the Fourth Proportional to 19,653.83, 27,118.07 and 11,694.50

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Solution

The fourth proportional to 19,653.83, 27,118.07 and 11,694.50 is: 16,135.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,653.83 : 27,118.07 = 11,694.50 : x
  2. Step 2: Convert to fraction form
    19,653.83/27,118.07 = 11,694.50/x
  3. Step 3: Cross multiply
    19,653.83x = 27,118.07 × 11,694.50
  4. Step 4: Simplify right side
    19,653.83x = 317,132,075.55
  5. Step 5: Solve for x
    x = 317,132,075.55/19,653.83
  6. Step 6: Final answer
    x = 16,135.90

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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.