Home / 25,665.55-38,429.11-16,758.82

Finding the Fourth Proportional to 25,665.55, 38,429.11 and 16,758.82

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Solution

The fourth proportional to 25,665.55, 38,429.11 and 16,758.82 is: 25,093.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,665.55 : 38,429.11 = 16,758.82 : x
  2. Step 2: Convert to fraction form
    25,665.55/38,429.11 = 16,758.82/x
  3. Step 3: Cross multiply
    25,665.55x = 38,429.11 × 16,758.82
  4. Step 4: Simplify right side
    25,665.55x = 644,026,537.25
  5. Step 5: Solve for x
    x = 644,026,537.25/25,665.55
  6. Step 6: Final answer
    x = 25,093.03

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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.