Home / 21,382.98-32,075.26-7,352.68

Finding the Fourth Proportional to 21,382.98, 32,075.26 and 7,352.68

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Solution

The fourth proportional to 21,382.98, 32,075.26 and 7,352.68 is: 11,029.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,382.98 : 32,075.26 = 7,352.68 : x
  2. Step 2: Convert to fraction form
    21,382.98/32,075.26 = 7,352.68/x
  3. Step 3: Cross multiply
    21,382.98x = 32,075.26 × 7,352.68
  4. Step 4: Simplify right side
    21,382.98x = 235,839,122.70
  5. Step 5: Solve for x
    x = 235,839,122.70/21,382.98
  6. Step 6: Final answer
    x = 11,029.29

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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.