Home / 13,789.76-20,674.92-5,994.32

Finding the Fourth Proportional to 13,789.76, 20,674.92 and 5,994.32

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Solution

The fourth proportional to 13,789.76, 20,674.92 and 5,994.32 is: 8,987.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789.76 : 20,674.92 = 5,994.32 : x
  2. Step 2: Convert to fraction form
    13,789.76/20,674.92 = 5,994.32/x
  3. Step 3: Cross multiply
    13,789.76x = 20,674.92 × 5,994.32
  4. Step 4: Simplify right side
    13,789.76x = 123,932,086.45
  5. Step 5: Solve for x
    x = 123,932,086.45/13,789.76
  6. Step 6: Final answer
    x = 8,987.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.