Home / 18,125.33-25,016.37-11,826.77

Finding the Fourth Proportional to 18,125.33, 25,016.37 and 11,826.77

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Solution

The fourth proportional to 18,125.33, 25,016.37 and 11,826.77 is: 16,323.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125.33 : 25,016.37 = 11,826.77 : x
  2. Step 2: Convert to fraction form
    18,125.33/25,016.37 = 11,826.77/x
  3. Step 3: Cross multiply
    18,125.33x = 25,016.37 × 11,826.77
  4. Step 4: Simplify right side
    18,125.33x = 295,862,854.22
  5. Step 5: Solve for x
    x = 295,862,854.22/18,125.33
  6. Step 6: Final answer
    x = 16,323.17

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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.