Home / 16,721.44-23,075.53-9,168.09

Finding the Fourth Proportional to 16,721.44, 23,075.53 and 9,168.09

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Solution

The fourth proportional to 16,721.44, 23,075.53 and 9,168.09 is: 12,651.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721.44 : 23,075.53 = 9,168.09 : x
  2. Step 2: Convert to fraction form
    16,721.44/23,075.53 = 9,168.09/x
  3. Step 3: Cross multiply
    16,721.44x = 23,075.53 × 9,168.09
  4. Step 4: Simplify right side
    16,721.44x = 211,558,535.84
  5. Step 5: Solve for x
    x = 211,558,535.84/16,721.44
  6. Step 6: Final answer
    x = 12,651.93

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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.