Home / 27,354.78-37,763.82-18,449.10

Finding the Fourth Proportional to 27,354.78, 37,763.82 and 18,449.10

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Solution

The fourth proportional to 27,354.78, 37,763.82 and 18,449.10 is: 25,469.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,354.78 : 37,763.82 = 18,449.10 : x
  2. Step 2: Convert to fraction form
    27,354.78/37,763.82 = 18,449.10/x
  3. Step 3: Cross multiply
    27,354.78x = 37,763.82 × 18,449.10
  4. Step 4: Simplify right side
    27,354.78x = 696,708,491.56
  5. Step 5: Solve for x
    x = 696,708,491.56/27,354.78
  6. Step 6: Final answer
    x = 25,469.35

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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.