Home / 14,840.46-20,480.09-8,125.98

Finding the Fourth Proportional to 14,840.46, 20,480.09 and 8,125.98

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Solution

The fourth proportional to 14,840.46, 20,480.09 and 8,125.98 is: 11,213.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,840.46 : 20,480.09 = 8,125.98 : x
  2. Step 2: Convert to fraction form
    14,840.46/20,480.09 = 8,125.98/x
  3. Step 3: Cross multiply
    14,840.46x = 20,480.09 × 8,125.98
  4. Step 4: Simplify right side
    14,840.46x = 166,420,761.11
  5. Step 5: Solve for x
    x = 166,420,761.11/14,840.46
  6. Step 6: Final answer
    x = 11,213.99

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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.