Home / 18,600.77-25,656.32-11,883.42

Finding the Fourth Proportional to 18,600.77, 25,656.32 and 11,883.42

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Solution

The fourth proportional to 18,600.77, 25,656.32 and 11,883.42 is: 16,390.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,600.77 : 25,656.32 = 11,883.42 : x
  2. Step 2: Convert to fraction form
    18,600.77/25,656.32 = 11,883.42/x
  3. Step 3: Cross multiply
    18,600.77x = 25,656.32 × 11,883.42
  4. Step 4: Simplify right side
    18,600.77x = 304,884,766.80
  5. Step 5: Solve for x
    x = 304,884,766.80/18,600.77
  6. Step 6: Final answer
    x = 16,390.98

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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.