Home / 18,250.66-27,407.16-10,900.72

Finding the Fourth Proportional to 18,250.66, 27,407.16 and 10,900.72

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Solution

The fourth proportional to 18,250.66, 27,407.16 and 10,900.72 is: 16,369.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,250.66 : 27,407.16 = 10,900.72 : x
  2. Step 2: Convert to fraction form
    18,250.66/27,407.16 = 10,900.72/x
  3. Step 3: Cross multiply
    18,250.66x = 27,407.16 × 10,900.72
  4. Step 4: Simplify right side
    18,250.66x = 298,757,777.16
  5. Step 5: Solve for x
    x = 298,757,777.16/18,250.66
  6. Step 6: Final answer
    x = 16,369.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.