Home / 13,447.87-20,175.21-9,506.88

Finding the Fourth Proportional to 13,447.87, 20,175.21 and 9,506.88

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Solution

The fourth proportional to 13,447.87, 20,175.21 and 9,506.88 is: 14,262.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,447.87 : 20,175.21 = 9,506.88 : x
  2. Step 2: Convert to fraction form
    13,447.87/20,175.21 = 9,506.88/x
  3. Step 3: Cross multiply
    13,447.87x = 20,175.21 × 9,506.88
  4. Step 4: Simplify right side
    13,447.87x = 191,803,300.44
  5. Step 5: Solve for x
    x = 191,803,300.44/13,447.87
  6. Step 6: Final answer
    x = 14,262.73

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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.