Home / 25,441.11-35,138.33-20,354.27

Finding the Fourth Proportional to 25,441.11, 35,138.33 and 20,354.27

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Solution

The fourth proportional to 25,441.11, 35,138.33 and 20,354.27 is: 28,112.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,441.11 : 35,138.33 = 20,354.27 : x
  2. Step 2: Convert to fraction form
    25,441.11/35,138.33 = 20,354.27/x
  3. Step 3: Cross multiply
    25,441.11x = 35,138.33 × 20,354.27
  4. Step 4: Simplify right side
    25,441.11x = 715,214,778.71
  5. Step 5: Solve for x
    x = 715,214,778.71/25,441.11
  6. Step 6: Final answer
    x = 28,112.56

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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.