Home / 14,965.00-20,651.26-8,158.76

Finding the Fourth Proportional to 14,965.00, 20,651.26 and 8,158.76

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Solution

The fourth proportional to 14,965.00, 20,651.26 and 8,158.76 is: 11,258.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,965.00 : 20,651.26 = 8,158.76 : x
  2. Step 2: Convert to fraction form
    14,965.00/20,651.26 = 8,158.76/x
  3. Step 3: Cross multiply
    14,965.00x = 20,651.26 × 8,158.76
  4. Step 4: Simplify right side
    14,965.00x = 168,488,735.98
  5. Step 5: Solve for x
    x = 168,488,735.98/14,965.00
  6. Step 6: Final answer
    x = 11,258.85

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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.