Home / 18,712.48-25,828.56-11,635.36

Finding the Fourth Proportional to 18,712.48, 25,828.56 and 11,635.36

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Solution

The fourth proportional to 18,712.48, 25,828.56 and 11,635.36 is: 16,060.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,712.48 : 25,828.56 = 11,635.36 : x
  2. Step 2: Convert to fraction form
    18,712.48/25,828.56 = 11,635.36/x
  3. Step 3: Cross multiply
    18,712.48x = 25,828.56 × 11,635.36
  4. Step 4: Simplify right side
    18,712.48x = 300,524,593.88
  5. Step 5: Solve for x
    x = 300,524,593.88/18,712.48
  6. Step 6: Final answer
    x = 16,060.12

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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.