Home / 18,799.18-25,942.86-11,245.83

Finding the Fourth Proportional to 18,799.18, 25,942.86 and 11,245.83

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Solution

The fourth proportional to 18,799.18, 25,942.86 and 11,245.83 is: 15,519.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,799.18 : 25,942.86 = 11,245.83 : x
  2. Step 2: Convert to fraction form
    18,799.18/25,942.86 = 11,245.83/x
  3. Step 3: Cross multiply
    18,799.18x = 25,942.86 × 11,245.83
  4. Step 4: Simplify right side
    18,799.18x = 291,748,895.99
  5. Step 5: Solve for x
    x = 291,748,895.99/18,799.18
  6. Step 6: Final answer
    x = 15,519.24

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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.