Home / 14,589.90-20,133.24-8,622.12

Finding the Fourth Proportional to 14,589.90, 20,133.24 and 8,622.12

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Solution

The fourth proportional to 14,589.90, 20,133.24 and 8,622.12 is: 11,898.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,589.90 : 20,133.24 = 8,622.12 : x
  2. Step 2: Convert to fraction form
    14,589.90/20,133.24 = 8,622.12/x
  3. Step 3: Cross multiply
    14,589.90x = 20,133.24 × 8,622.12
  4. Step 4: Simplify right side
    14,589.90x = 173,591,254.44
  5. Step 5: Solve for x
    x = 173,591,254.44/14,589.90
  6. Step 6: Final answer
    x = 11,898.04

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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.