Home / 14,620.13-20,175.78-7,996.13

Finding the Fourth Proportional to 14,620.13, 20,175.78 and 7,996.13

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Solution

The fourth proportional to 14,620.13, 20,175.78 and 7,996.13 is: 11,034.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,620.13 : 20,175.78 = 7,996.13 : x
  2. Step 2: Convert to fraction form
    14,620.13/20,175.78 = 7,996.13/x
  3. Step 3: Cross multiply
    14,620.13x = 20,175.78 × 7,996.13
  4. Step 4: Simplify right side
    14,620.13x = 161,328,058.85
  5. Step 5: Solve for x
    x = 161,328,058.85/14,620.13
  6. Step 6: Final answer
    x = 11,034.66

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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.