Home / 18,472.32-27,709.56-5,992.38

Finding the Fourth Proportional to 18,472.32, 27,709.56 and 5,992.38

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Solution

The fourth proportional to 18,472.32, 27,709.56 and 5,992.38 is: 8,988.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,472.32 : 27,709.56 = 5,992.38 : x
  2. Step 2: Convert to fraction form
    18,472.32/27,709.56 = 5,992.38/x
  3. Step 3: Cross multiply
    18,472.32x = 27,709.56 × 5,992.38
  4. Step 4: Simplify right side
    18,472.32x = 166,046,213.15
  5. Step 5: Solve for x
    x = 166,046,213.15/18,472.32
  6. Step 6: Final answer
    x = 8,988.92

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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.