Home / 25,232.56-34,819.26-15,155

Finding the Fourth Proportional to 25,232.56, 34,819.26 and 15,155

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Solution

The fourth proportional to 25,232.56, 34,819.26 and 15,155 is: 20,912.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,232.56 : 34,819.26 = 15,155 : x
  2. Step 2: Convert to fraction form
    25,232.56/34,819.26 = 15,155/x
  3. Step 3: Cross multiply
    25,232.56x = 34,819.26 × 15,155
  4. Step 4: Simplify right side
    25,232.56x = 527,685,885.30
  5. Step 5: Solve for x
    x = 527,685,885.30/25,232.56
  6. Step 6: Final answer
    x = 20,912.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.