Home / 16,885.21-25,328.30-5,791.65

Finding the Fourth Proportional to 16,885.21, 25,328.30 and 5,791.65

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Solution

The fourth proportional to 16,885.21, 25,328.30 and 5,791.65 is: 8,687.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,885.21 : 25,328.30 = 5,791.65 : x
  2. Step 2: Convert to fraction form
    16,885.21/25,328.30 = 5,791.65/x
  3. Step 3: Cross multiply
    16,885.21x = 25,328.30 × 5,791.65
  4. Step 4: Simplify right side
    16,885.21x = 146,692,667.23
  5. Step 5: Solve for x
    x = 146,692,667.23/16,885.21
  6. Step 6: Final answer
    x = 8,687.64

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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.