Home / 18,235.11-27,353.28-5,086.38

Finding the Fourth Proportional to 18,235.11, 27,353.28 and 5,086.38

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Solution

The fourth proportional to 18,235.11, 27,353.28 and 5,086.38 is: 7,629.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,235.11 : 27,353.28 = 5,086.38 : x
  2. Step 2: Convert to fraction form
    18,235.11/27,353.28 = 5,086.38/x
  3. Step 3: Cross multiply
    18,235.11x = 27,353.28 × 5,086.38
  4. Step 4: Simplify right side
    18,235.11x = 139,129,176.33
  5. Step 5: Solve for x
    x = 139,129,176.33/18,235.11
  6. Step 6: Final answer
    x = 7,629.74

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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.