Home / 18,477.96-27,704.29-6,631.47

Finding the Fourth Proportional to 18,477.96, 27,704.29 and 6,631.47

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Solution

The fourth proportional to 18,477.96, 27,704.29 and 6,631.47 is: 9,942.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477.96 : 27,704.29 = 6,631.47 : x
  2. Step 2: Convert to fraction form
    18,477.96/27,704.29 = 6,631.47/x
  3. Step 3: Cross multiply
    18,477.96x = 27,704.29 × 6,631.47
  4. Step 4: Simplify right side
    18,477.96x = 183,719,996.33
  5. Step 5: Solve for x
    x = 183,719,996.33/18,477.96
  6. Step 6: Final answer
    x = 9,942.66

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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.