Home / 14,964.70-20,651.16-8,250.34

Finding the Fourth Proportional to 14,964.70, 20,651.16 and 8,250.34

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Solution

The fourth proportional to 14,964.70, 20,651.16 and 8,250.34 is: 11,385.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,964.70 : 20,651.16 = 8,250.34 : x
  2. Step 2: Convert to fraction form
    14,964.70/20,651.16 = 8,250.34/x
  3. Step 3: Cross multiply
    14,964.70x = 20,651.16 × 8,250.34
  4. Step 4: Simplify right side
    14,964.70x = 170,379,091.39
  5. Step 5: Solve for x
    x = 170,379,091.39/14,964.70
  6. Step 6: Final answer
    x = 11,385.40

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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.