Home / 23,697.88-32,678.58-20,351.78

Finding the Fourth Proportional to 23,697.88, 32,678.58 and 20,351.78

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Solution

The fourth proportional to 23,697.88, 32,678.58 and 20,351.78 is: 28,064.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,697.88 : 32,678.58 = 20,351.78 : x
  2. Step 2: Convert to fraction form
    23,697.88/32,678.58 = 20,351.78/x
  3. Step 3: Cross multiply
    23,697.88x = 32,678.58 × 20,351.78
  4. Step 4: Simplify right side
    23,697.88x = 665,067,270.87
  5. Step 5: Solve for x
    x = 665,067,270.87/23,697.88
  6. Step 6: Final answer
    x = 28,064.42

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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.