Home / 19,669.63-27,144.21-10,716.94

Finding the Fourth Proportional to 19,669.63, 27,144.21 and 10,716.94

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Solution

The fourth proportional to 19,669.63, 27,144.21 and 10,716.94 is: 14,789.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,669.63 : 27,144.21 = 10,716.94 : x
  2. Step 2: Convert to fraction form
    19,669.63/27,144.21 = 10,716.94/x
  3. Step 3: Cross multiply
    19,669.63x = 27,144.21 × 10,716.94
  4. Step 4: Simplify right side
    19,669.63x = 290,902,869.92
  5. Step 5: Solve for x
    x = 290,902,869.92/19,669.63
  6. Step 6: Final answer
    x = 14,789.44

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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.