Home / 19,690.92-27,173.07-10,738.49

Finding the Fourth Proportional to 19,690.92, 27,173.07 and 10,738.49

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Solution

The fourth proportional to 19,690.92, 27,173.07 and 10,738.49 is: 14,818.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690.92 : 27,173.07 = 10,738.49 : x
  2. Step 2: Convert to fraction form
    19,690.92/27,173.07 = 10,738.49/x
  3. Step 3: Cross multiply
    19,690.92x = 27,173.07 × 10,738.49
  4. Step 4: Simplify right side
    19,690.92x = 291,797,604.60
  5. Step 5: Solve for x
    x = 291,797,604.60/19,690.92
  6. Step 6: Final answer
    x = 14,818.89

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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.