Home / 18,650.24-25,740.46-11,935.55

Finding the Fourth Proportional to 18,650.24, 25,740.46 and 11,935.55

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Solution

The fourth proportional to 18,650.24, 25,740.46 and 11,935.55 is: 16,473.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650.24 : 25,740.46 = 11,935.55 : x
  2. Step 2: Convert to fraction form
    18,650.24/25,740.46 = 11,935.55/x
  3. Step 3: Cross multiply
    18,650.24x = 25,740.46 × 11,935.55
  4. Step 4: Simplify right side
    18,650.24x = 307,226,418.65
  5. Step 5: Solve for x
    x = 307,226,418.65/18,650.24
  6. Step 6: Final answer
    x = 16,473.05

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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.