Home / 14,671.09-20,245.79-8,296.84

Finding the Fourth Proportional to 14,671.09, 20,245.79 and 8,296.84

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Solution

The fourth proportional to 14,671.09, 20,245.79 and 8,296.84 is: 11,449.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,671.09 : 20,245.79 = 8,296.84 : x
  2. Step 2: Convert to fraction form
    14,671.09/20,245.79 = 8,296.84/x
  3. Step 3: Cross multiply
    14,671.09x = 20,245.79 × 8,296.84
  4. Step 4: Simplify right side
    14,671.09x = 167,976,166.49
  5. Step 5: Solve for x
    x = 167,976,166.49/14,671.09
  6. Step 6: Final answer
    x = 11,449.47

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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.