Home / 14,965.30-20,651.19-8,250.58

Finding the Fourth Proportional to 14,965.30, 20,651.19 and 8,250.58

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Solution

The fourth proportional to 14,965.30, 20,651.19 and 8,250.58 is: 11,385.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,965.30 : 20,651.19 = 8,250.58 : x
  2. Step 2: Convert to fraction form
    14,965.30/20,651.19 = 8,250.58/x
  3. Step 3: Cross multiply
    14,965.30x = 20,651.19 × 8,250.58
  4. Step 4: Simplify right side
    14,965.30x = 170,384,295.19
  5. Step 5: Solve for x
    x = 170,384,295.19/14,965.30
  6. Step 6: Final answer
    x = 11,385.29

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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.