Home / 27,651.68-38,174.56-19,488.08

Finding the Fourth Proportional to 27,651.68, 38,174.56 and 19,488.08

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Solution

The fourth proportional to 27,651.68, 38,174.56 and 19,488.08 is: 26,904.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,651.68 : 38,174.56 = 19,488.08 : x
  2. Step 2: Convert to fraction form
    27,651.68/38,174.56 = 19,488.08/x
  3. Step 3: Cross multiply
    27,651.68x = 38,174.56 × 19,488.08
  4. Step 4: Simplify right side
    27,651.68x = 743,948,879.24
  5. Step 5: Solve for x
    x = 743,948,879.24/27,651.68
  6. Step 6: Final answer
    x = 26,904.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.