Home / 13,512.92-20,272.52-4,628.34

Finding the Fourth Proportional to 13,512.92, 20,272.52 and 4,628.34

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Solution

The fourth proportional to 13,512.92, 20,272.52 and 4,628.34 is: 6,943.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512.92 : 20,272.52 = 4,628.34 : x
  2. Step 2: Convert to fraction form
    13,512.92/20,272.52 = 4,628.34/x
  3. Step 3: Cross multiply
    13,512.92x = 20,272.52 × 4,628.34
  4. Step 4: Simplify right side
    13,512.92x = 93,828,126.79
  5. Step 5: Solve for x
    x = 93,828,126.79/13,512.92
  6. Step 6: Final answer
    x = 6,943.59

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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.