Home / 17,720.21-24,453.01-9,760.95

Finding the Fourth Proportional to 17,720.21, 24,453.01 and 9,760.95

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Solution

The fourth proportional to 17,720.21, 24,453.01 and 9,760.95 is: 13,469.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,720.21 : 24,453.01 = 9,760.95 : x
  2. Step 2: Convert to fraction form
    17,720.21/24,453.01 = 9,760.95/x
  3. Step 3: Cross multiply
    17,720.21x = 24,453.01 × 9,760.95
  4. Step 4: Simplify right side
    17,720.21x = 238,684,583.56
  5. Step 5: Solve for x
    x = 238,684,583.56/17,720.21
  6. Step 6: Final answer
    x = 13,469.62

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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.