Home / 25,958.56-38,943.60-12,100

Finding the Fourth Proportional to 25,958.56, 38,943.60 and 12,100

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Solution

The fourth proportional to 25,958.56, 38,943.60 and 12,100 is: 18,152.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,958.56 : 38,943.60 = 12,100 : x
  2. Step 2: Convert to fraction form
    25,958.56/38,943.60 = 12,100/x
  3. Step 3: Cross multiply
    25,958.56x = 38,943.60 × 12,100
  4. Step 4: Simplify right side
    25,958.56x = 471,217,560
  5. Step 5: Solve for x
    x = 471,217,560/25,958.56
  6. Step 6: Final answer
    x = 18,152.68

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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.