Home / 19,642.82-27,107.04-10,690.33

Finding the Fourth Proportional to 19,642.82, 27,107.04 and 10,690.33

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Solution

The fourth proportional to 19,642.82, 27,107.04 and 10,690.33 is: 14,752.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,642.82 : 27,107.04 = 10,690.33 : x
  2. Step 2: Convert to fraction form
    19,642.82/27,107.04 = 10,690.33/x
  3. Step 3: Cross multiply
    19,642.82x = 27,107.04 × 10,690.33
  4. Step 4: Simplify right side
    19,642.82x = 289,783,165.94
  5. Step 5: Solve for x
    x = 289,783,165.94/19,642.82
  6. Step 6: Final answer
    x = 14,752.62

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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.