Home / 14,519.13-20,036.42-8,231.50

Finding the Fourth Proportional to 14,519.13, 20,036.42 and 8,231.50

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Solution

The fourth proportional to 14,519.13, 20,036.42 and 8,231.50 is: 11,359.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,519.13 : 20,036.42 = 8,231.50 : x
  2. Step 2: Convert to fraction form
    14,519.13/20,036.42 = 8,231.50/x
  3. Step 3: Cross multiply
    14,519.13x = 20,036.42 × 8,231.50
  4. Step 4: Simplify right side
    14,519.13x = 164,929,791.23
  5. Step 5: Solve for x
    x = 164,929,791.23/14,519.13
  6. Step 6: Final answer
    x = 11,359.48

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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.