Home / 18,650.68-25,741.06-11,935.98

Finding the Fourth Proportional to 18,650.68, 25,741.06 and 11,935.98

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Solution

The fourth proportional to 18,650.68, 25,741.06 and 11,935.98 is: 16,473.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650.68 : 25,741.06 = 11,935.98 : x
  2. Step 2: Convert to fraction form
    18,650.68/25,741.06 = 11,935.98/x
  3. Step 3: Cross multiply
    18,650.68x = 25,741.06 × 11,935.98
  4. Step 4: Simplify right side
    18,650.68x = 307,244,747.50
  5. Step 5: Solve for x
    x = 307,244,747.50/18,650.68
  6. Step 6: Final answer
    x = 16,473.65

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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.