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Finding the Fourth Proportional to 17,914.94, 26,809.86 and 15,133.68

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Solution

The fourth proportional to 17,914.94, 26,809.86 and 15,133.68 is: 22,647.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,914.94 : 26,809.86 = 15,133.68 : x
  2. Step 2: Convert to fraction form
    17,914.94/26,809.86 = 15,133.68/x
  3. Step 3: Cross multiply
    17,914.94x = 26,809.86 × 15,133.68
  4. Step 4: Simplify right side
    17,914.94x = 405,731,898.84
  5. Step 5: Solve for x
    x = 405,731,898.84/17,914.94
  6. Step 6: Final answer
    x = 22,647.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.