Home / 14,709.21-20,308.23-12,026.90

Finding the Fourth Proportional to 14,709.21, 20,308.23 and 12,026.90

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Solution

The fourth proportional to 14,709.21, 20,308.23 and 12,026.90 is: 16,604.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,709.21 : 20,308.23 = 12,026.90 : x
  2. Step 2: Convert to fraction form
    14,709.21/20,308.23 = 12,026.90/x
  3. Step 3: Cross multiply
    14,709.21x = 20,308.23 × 12,026.90
  4. Step 4: Simplify right side
    14,709.21x = 244,244,949.85
  5. Step 5: Solve for x
    x = 244,244,949.85/14,709.21
  6. Step 6: Final answer
    x = 16,604.90

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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.