Home / 16,772.94-23,145.26-9,219.06

Finding the Fourth Proportional to 16,772.94, 23,145.26 and 9,219.06

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Solution

The fourth proportional to 16,772.94, 23,145.26 and 9,219.06 is: 12,721.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,772.94 : 23,145.26 = 9,219.06 : x
  2. Step 2: Convert to fraction form
    16,772.94/23,145.26 = 9,219.06/x
  3. Step 3: Cross multiply
    16,772.94x = 23,145.26 × 9,219.06
  4. Step 4: Simplify right side
    16,772.94x = 213,377,494.56
  5. Step 5: Solve for x
    x = 213,377,494.56/16,772.94
  6. Step 6: Final answer
    x = 12,721.53

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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.