Home / 25,580.12-38,375.40-10,789.02

Finding the Fourth Proportional to 25,580.12, 38,375.40 and 10,789.02

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Solution

The fourth proportional to 25,580.12, 38,375.40 and 10,789.02 is: 16,185.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,580.12 : 38,375.40 = 10,789.02 : x
  2. Step 2: Convert to fraction form
    25,580.12/38,375.40 = 10,789.02/x
  3. Step 3: Cross multiply
    25,580.12x = 38,375.40 × 10,789.02
  4. Step 4: Simplify right side
    25,580.12x = 414,032,958.11
  5. Step 5: Solve for x
    x = 414,032,958.11/25,580.12
  6. Step 6: Final answer
    x = 16,185.73

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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.