Home / 22,029.24-30,402.75-13,078.94

Finding the Fourth Proportional to 22,029.24, 30,402.75 and 13,078.94

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Solution

The fourth proportional to 22,029.24, 30,402.75 and 13,078.94 is: 18,050.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,029.24 : 30,402.75 = 13,078.94 : x
  2. Step 2: Convert to fraction form
    22,029.24/30,402.75 = 13,078.94/x
  3. Step 3: Cross multiply
    22,029.24x = 30,402.75 × 13,078.94
  4. Step 4: Simplify right side
    22,029.24x = 397,635,743.09
  5. Step 5: Solve for x
    x = 397,635,743.09/22,029.24
  6. Step 6: Final answer
    x = 18,050.36

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Half scale
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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.