Home / 14,765.14-20,359.34-12,067.99

Finding the Fourth Proportional to 14,765.14, 20,359.34 and 12,067.99

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Solution

The fourth proportional to 14,765.14, 20,359.34 and 12,067.99 is: 16,640.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,765.14 : 20,359.34 = 12,067.99 : x
  2. Step 2: Convert to fraction form
    14,765.14/20,359.34 = 12,067.99/x
  3. Step 3: Cross multiply
    14,765.14x = 20,359.34 × 12,067.99
  4. Step 4: Simplify right side
    14,765.14x = 245,696,311.53
  5. Step 5: Solve for x
    x = 245,696,311.53/14,765.14
  6. Step 6: Final answer
    x = 16,640.30

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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.