Home / 19,949.69-27,526.89-11,992.05

Finding the Fourth Proportional to 19,949.69, 27,526.89 and 11,992.05

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Solution

The fourth proportional to 19,949.69, 27,526.89 and 11,992.05 is: 16,546.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,949.69 : 27,526.89 = 11,992.05 : x
  2. Step 2: Convert to fraction form
    19,949.69/27,526.89 = 11,992.05/x
  3. Step 3: Cross multiply
    19,949.69x = 27,526.89 × 11,992.05
  4. Step 4: Simplify right side
    19,949.69x = 330,103,818.74
  5. Step 5: Solve for x
    x = 330,103,818.74/19,949.69
  6. Step 6: Final answer
    x = 16,546.81

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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.