Home / 19,075.26-28,610.46-7,380.48

Finding the Fourth Proportional to 19,075.26, 28,610.46 and 7,380.48

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Solution

The fourth proportional to 19,075.26, 28,610.46 and 7,380.48 is: 11,069.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,075.26 : 28,610.46 = 7,380.48 : x
  2. Step 2: Convert to fraction form
    19,075.26/28,610.46 = 7,380.48/x
  3. Step 3: Cross multiply
    19,075.26x = 28,610.46 × 7,380.48
  4. Step 4: Simplify right side
    19,075.26x = 211,158,927.82
  5. Step 5: Solve for x
    x = 211,158,927.82/19,075.26
  6. Step 6: Final answer
    x = 11,069.78

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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.