Home / 16,809.12-25,183.44-13,523.76

Finding the Fourth Proportional to 16,809.12, 25,183.44 and 13,523.76

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Solution

The fourth proportional to 16,809.12, 25,183.44 and 13,523.76 is: 20,261.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,809.12 : 25,183.44 = 13,523.76 : x
  2. Step 2: Convert to fraction form
    16,809.12/25,183.44 = 13,523.76/x
  3. Step 3: Cross multiply
    16,809.12x = 25,183.44 × 13,523.76
  4. Step 4: Simplify right side
    16,809.12x = 340,574,798.53
  5. Step 5: Solve for x
    x = 340,574,798.53/16,809.12
  6. Step 6: Final answer
    x = 20,261.31

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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.