Home / 17,117.99-25,659.98-11,912.93

Finding the Fourth Proportional to 17,117.99, 25,659.98 and 11,912.93

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Solution

The fourth proportional to 17,117.99, 25,659.98 and 11,912.93 is: 17,857.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,117.99 : 25,659.98 = 11,912.93 : x
  2. Step 2: Convert to fraction form
    17,117.99/25,659.98 = 11,912.93/x
  3. Step 3: Cross multiply
    17,117.99x = 25,659.98 × 11,912.93
  4. Step 4: Simplify right side
    17,117.99x = 305,685,485.98
  5. Step 5: Solve for x
    x = 305,685,485.98/17,117.99
  6. Step 6: Final answer
    x = 17,857.56

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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.