Home / 14,518.86-20,029.20-8,546.70

Finding the Fourth Proportional to 14,518.86, 20,029.20 and 8,546.70

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Solution

The fourth proportional to 14,518.86, 20,029.20 and 8,546.70 is: 11,790.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,518.86 : 20,029.20 = 8,546.70 : x
  2. Step 2: Convert to fraction form
    14,518.86/20,029.20 = 8,546.70/x
  3. Step 3: Cross multiply
    14,518.86x = 20,029.20 × 8,546.70
  4. Step 4: Simplify right side
    14,518.86x = 171,183,563.64
  5. Step 5: Solve for x
    x = 171,183,563.64/14,518.86
  6. Step 6: Final answer
    x = 11,790.43

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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.