Home / 13,823.25-19,075.47-7,855.47

Finding the Fourth Proportional to 13,823.25, 19,075.47 and 7,855.47

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Solution

The fourth proportional to 13,823.25, 19,075.47 and 7,855.47 is: 10,840.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,823.25 : 19,075.47 = 7,855.47 : x
  2. Step 2: Convert to fraction form
    13,823.25/19,075.47 = 7,855.47/x
  3. Step 3: Cross multiply
    13,823.25x = 19,075.47 × 7,855.47
  4. Step 4: Simplify right side
    13,823.25x = 149,846,782.32
  5. Step 5: Solve for x
    x = 149,846,782.32/13,823.25
  6. Step 6: Final answer
    x = 10,840.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.