Home / 13,747.14-20,622.03-3,886.74

Finding the Fourth Proportional to 13,747.14, 20,622.03 and 3,886.74

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Solution

The fourth proportional to 13,747.14, 20,622.03 and 3,886.74 is: 5,830.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747.14 : 20,622.03 = 3,886.74 : x
  2. Step 2: Convert to fraction form
    13,747.14/20,622.03 = 3,886.74/x
  3. Step 3: Cross multiply
    13,747.14x = 20,622.03 × 3,886.74
  4. Step 4: Simplify right side
    13,747.14x = 80,152,468.88
  5. Step 5: Solve for x
    x = 80,152,468.88/13,747.14
  6. Step 6: Final answer
    x = 5,830.48

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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.