Home / 19,519.13-29,279.50-5,668.13

Finding the Fourth Proportional to 19,519.13, 29,279.50 and 5,668.13

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Solution

The fourth proportional to 19,519.13, 29,279.50 and 5,668.13 is: 8,502.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,519.13 : 29,279.50 = 5,668.13 : x
  2. Step 2: Convert to fraction form
    19,519.13/29,279.50 = 5,668.13/x
  3. Step 3: Cross multiply
    19,519.13x = 29,279.50 × 5,668.13
  4. Step 4: Simplify right side
    19,519.13x = 165,959,865.94
  5. Step 5: Solve for x
    x = 165,959,865.94/19,519.13
  6. Step 6: Final answer
    x = 8,502.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.