Home / 18,651.10-27,979.53-6,174.26

Finding the Fourth Proportional to 18,651.10, 27,979.53 and 6,174.26

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Solution

The fourth proportional to 18,651.10, 27,979.53 and 6,174.26 is: 9,262.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,651.10 : 27,979.53 = 6,174.26 : x
  2. Step 2: Convert to fraction form
    18,651.10/27,979.53 = 6,174.26/x
  3. Step 3: Cross multiply
    18,651.10x = 27,979.53 × 6,174.26
  4. Step 4: Simplify right side
    18,651.10x = 172,752,898.81
  5. Step 5: Solve for x
    x = 172,752,898.81/18,651.10
  6. Step 6: Final answer
    x = 9,262.35

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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.