Home / 14,949.02-20,629.78-8,234.88

Finding the Fourth Proportional to 14,949.02, 20,629.78 and 8,234.88

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Solution

The fourth proportional to 14,949.02, 20,629.78 and 8,234.88 is: 11,364.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,949.02 : 20,629.78 = 8,234.88 : x
  2. Step 2: Convert to fraction form
    14,949.02/20,629.78 = 8,234.88/x
  3. Step 3: Cross multiply
    14,949.02x = 20,629.78 × 8,234.88
  4. Step 4: Simplify right side
    14,949.02x = 169,883,762.73
  5. Step 5: Solve for x
    x = 169,883,762.73/14,949.02
  6. Step 6: Final answer
    x = 11,364.21

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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.