Home / 24,728.82-34,125.77-13,398.39

Finding the Fourth Proportional to 24,728.82, 34,125.77 and 13,398.39

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Solution

The fourth proportional to 24,728.82, 34,125.77 and 13,398.39 is: 18,489.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,728.82 : 34,125.77 = 13,398.39 : x
  2. Step 2: Convert to fraction form
    24,728.82/34,125.77 = 13,398.39/x
  3. Step 3: Cross multiply
    24,728.82x = 34,125.77 × 13,398.39
  4. Step 4: Simplify right side
    24,728.82x = 457,230,375.51
  5. Step 5: Solve for x
    x = 457,230,375.51/24,728.82
  6. Step 6: Final answer
    x = 18,489.78

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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.