Home / 19,175.27-28,757.57-8,075.43

Finding the Fourth Proportional to 19,175.27, 28,757.57 and 8,075.43

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Solution

The fourth proportional to 19,175.27, 28,757.57 and 8,075.43 is: 12,110.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,175.27 : 28,757.57 = 8,075.43 : x
  2. Step 2: Convert to fraction form
    19,175.27/28,757.57 = 8,075.43/x
  3. Step 3: Cross multiply
    19,175.27x = 28,757.57 × 8,075.43
  4. Step 4: Simplify right side
    19,175.27x = 232,229,703.13
  5. Step 5: Solve for x
    x = 232,229,703.13/19,175.27
  6. Step 6: Final answer
    x = 12,110.90

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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.