Home / 25,538.87-38,344.18-13,067.84

Finding the Fourth Proportional to 25,538.87, 38,344.18 and 13,067.84

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Solution

The fourth proportional to 25,538.87, 38,344.18 and 13,067.84 is: 19,620.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,538.87 : 38,344.18 = 13,067.84 : x
  2. Step 2: Convert to fraction form
    25,538.87/38,344.18 = 13,067.84/x
  3. Step 3: Cross multiply
    25,538.87x = 38,344.18 × 13,067.84
  4. Step 4: Simplify right side
    25,538.87x = 501,075,417.45
  5. Step 5: Solve for x
    x = 501,075,417.45/25,538.87
  6. Step 6: Final answer
    x = 19,620.11

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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.