Home / 14,092.14-19,452.64-8,128.92

Finding the Fourth Proportional to 14,092.14, 19,452.64 and 8,128.92

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Solution

The fourth proportional to 14,092.14, 19,452.64 and 8,128.92 is: 11,221.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,092.14 : 19,452.64 = 8,128.92 : x
  2. Step 2: Convert to fraction form
    14,092.14/19,452.64 = 8,128.92/x
  3. Step 3: Cross multiply
    14,092.14x = 19,452.64 × 8,128.92
  4. Step 4: Simplify right side
    14,092.14x = 158,128,954.35
  5. Step 5: Solve for x
    x = 158,128,954.35/14,092.14
  6. Step 6: Final answer
    x = 11,221.07

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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.