Home / 16,704.80-23,075.12-13,371.48

Finding the Fourth Proportional to 16,704.80, 23,075.12 and 13,371.48

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Solution

The fourth proportional to 16,704.80, 23,075.12 and 13,371.48 is: 18,470.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,704.80 : 23,075.12 = 13,371.48 : x
  2. Step 2: Convert to fraction form
    16,704.80/23,075.12 = 13,371.48/x
  3. Step 3: Cross multiply
    16,704.80x = 23,075.12 × 13,371.48
  4. Step 4: Simplify right side
    16,704.80x = 308,548,505.58
  5. Step 5: Solve for x
    x = 308,548,505.58/16,704.80
  6. Step 6: Final answer
    x = 18,470.65

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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.