Home / 27,673.11-38,165.18-18,231.75

Finding the Fourth Proportional to 27,673.11, 38,165.18 and 18,231.75

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Solution

The fourth proportional to 27,673.11, 38,165.18 and 18,231.75 is: 25,144.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,673.11 : 38,165.18 = 18,231.75 : x
  2. Step 2: Convert to fraction form
    27,673.11/38,165.18 = 18,231.75/x
  3. Step 3: Cross multiply
    27,673.11x = 38,165.18 × 18,231.75
  4. Step 4: Simplify right side
    27,673.11x = 695,817,929.31
  5. Step 5: Solve for x
    x = 695,817,929.31/27,673.11
  6. Step 6: Final answer
    x = 25,144.19

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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.