Home / 15,212.81-22,819.26-4,682.75

Finding the Fourth Proportional to 15,212.81, 22,819.26 and 4,682.75

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Solution

The fourth proportional to 15,212.81, 22,819.26 and 4,682.75 is: 7,024.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,212.81 : 22,819.26 = 4,682.75 : x
  2. Step 2: Convert to fraction form
    15,212.81/22,819.26 = 4,682.75/x
  3. Step 3: Cross multiply
    15,212.81x = 22,819.26 × 4,682.75
  4. Step 4: Simplify right side
    15,212.81x = 106,856,889.77
  5. Step 5: Solve for x
    x = 106,856,889.77/15,212.81
  6. Step 6: Final answer
    x = 7,024.14

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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.