Home / 43,521.19-65,286.33-18,563.88

Finding the Fourth Proportional to 43,521.19, 65,286.33 and 18,563.88

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Solution

The fourth proportional to 43,521.19, 65,286.33 and 18,563.88 is: 27,847.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,521.19 : 65,286.33 = 18,563.88 : x
  2. Step 2: Convert to fraction form
    43,521.19/65,286.33 = 18,563.88/x
  3. Step 3: Cross multiply
    43,521.19x = 65,286.33 × 18,563.88
  4. Step 4: Simplify right side
    43,521.19x = 1,211,967,595.76
  5. Step 5: Solve for x
    x = 1,211,967,595.76/43,521.19
  6. Step 6: Final answer
    x = 27,847.76

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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.