Home / 16,922.88-25,356.57-11,983.65

Finding the Fourth Proportional to 16,922.88, 25,356.57 and 11,983.65

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Solution

The fourth proportional to 16,922.88, 25,356.57 and 11,983.65 is: 17,955.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,922.88 : 25,356.57 = 11,983.65 : x
  2. Step 2: Convert to fraction form
    16,922.88/25,356.57 = 11,983.65/x
  3. Step 3: Cross multiply
    16,922.88x = 25,356.57 × 11,983.65
  4. Step 4: Simplify right side
    16,922.88x = 303,864,260.08
  5. Step 5: Solve for x
    x = 303,864,260.08/16,922.88
  6. Step 6: Final answer
    x = 17,955.82

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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.