Home / 13,028.91-19,543.36-3,668.92

Finding the Fourth Proportional to 13,028.91, 19,543.36 and 3,668.92

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Solution

The fourth proportional to 13,028.91, 19,543.36 and 3,668.92 is: 5,503.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028.91 : 19,543.36 = 3,668.92 : x
  2. Step 2: Convert to fraction form
    13,028.91/19,543.36 = 3,668.92/x
  3. Step 3: Cross multiply
    13,028.91x = 19,543.36 × 3,668.92
  4. Step 4: Simplify right side
    13,028.91x = 71,703,024.37
  5. Step 5: Solve for x
    x = 71,703,024.37/13,028.91
  6. Step 6: Final answer
    x = 5,503.38

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Double scale
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Similar ratio
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1.5x scale

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.