Home / 13,512.62-20,277.95-4,747.41

Finding the Fourth Proportional to 13,512.62, 20,277.95 and 4,747.41

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Solution

The fourth proportional to 13,512.62, 20,277.95 and 4,747.41 is: 7,124.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512.62 : 20,277.95 = 4,747.41 : x
  2. Step 2: Convert to fraction form
    13,512.62/20,277.95 = 4,747.41/x
  3. Step 3: Cross multiply
    13,512.62x = 20,277.95 × 4,747.41
  4. Step 4: Simplify right side
    13,512.62x = 96,267,718.87
  5. Step 5: Solve for x
    x = 96,267,718.87/13,512.62
  6. Step 6: Final answer
    x = 7,124.28

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1.5x scale

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.