Home / 18,712.35-25,822.67-10,754.37

Finding the Fourth Proportional to 18,712.35, 25,822.67 and 10,754.37

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Solution

The fourth proportional to 18,712.35, 25,822.67 and 10,754.37 is: 14,840.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,712.35 : 25,822.67 = 10,754.37 : x
  2. Step 2: Convert to fraction form
    18,712.35/25,822.67 = 10,754.37/x
  3. Step 3: Cross multiply
    18,712.35x = 25,822.67 × 10,754.37
  4. Step 4: Simplify right side
    18,712.35x = 277,706,493.80
  5. Step 5: Solve for x
    x = 277,706,493.80/18,712.35
  6. Step 6: Final answer
    x = 14,840.81

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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.