Home / 14,515.21-20,029.20-8,847.91

Finding the Fourth Proportional to 14,515.21, 20,029.20 and 8,847.91

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Solution

The fourth proportional to 14,515.21, 20,029.20 and 8,847.91 is: 12,209.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515.21 : 20,029.20 = 8,847.91 : x
  2. Step 2: Convert to fraction form
    14,515.21/20,029.20 = 8,847.91/x
  3. Step 3: Cross multiply
    14,515.21x = 20,029.20 × 8,847.91
  4. Step 4: Simplify right side
    14,515.21x = 177,216,558.97
  5. Step 5: Solve for x
    x = 177,216,558.97/14,515.21
  6. Step 6: Final answer
    x = 12,209.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.