Home / 17,816.94-26,728.14-12,923.52

Finding the Fourth Proportional to 17,816.94, 26,728.14 and 12,923.52

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Solution

The fourth proportional to 17,816.94, 26,728.14 and 12,923.52 is: 19,387.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,816.94 : 26,728.14 = 12,923.52 : x
  2. Step 2: Convert to fraction form
    17,816.94/26,728.14 = 12,923.52/x
  3. Step 3: Cross multiply
    17,816.94x = 26,728.14 × 12,923.52
  4. Step 4: Simplify right side
    17,816.94x = 345,421,651.85
  5. Step 5: Solve for x
    x = 345,421,651.85/17,816.94
  6. Step 6: Final answer
    x = 19,387.26

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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.