Home / 25,595.94-38,369.25-13,121.82

Finding the Fourth Proportional to 25,595.94, 38,369.25 and 13,121.82

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Solution

The fourth proportional to 25,595.94, 38,369.25 and 13,121.82 is: 19,670.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,595.94 : 38,369.25 = 13,121.82 : x
  2. Step 2: Convert to fraction form
    25,595.94/38,369.25 = 13,121.82/x
  3. Step 3: Cross multiply
    25,595.94x = 38,369.25 × 13,121.82
  4. Step 4: Simplify right side
    25,595.94x = 503,474,392.04
  5. Step 5: Solve for x
    x = 503,474,392.04/25,595.94
  6. Step 6: Final answer
    x = 19,670.09

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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.