Home / 14,835.75-20,464.11-9,172.23

Finding the Fourth Proportional to 14,835.75, 20,464.11 and 9,172.23

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Solution

The fourth proportional to 14,835.75, 20,464.11 and 9,172.23 is: 12,651.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,835.75 : 20,464.11 = 9,172.23 : x
  2. Step 2: Convert to fraction form
    14,835.75/20,464.11 = 9,172.23/x
  3. Step 3: Cross multiply
    14,835.75x = 20,464.11 × 9,172.23
  4. Step 4: Simplify right side
    14,835.75x = 187,701,523.67
  5. Step 5: Solve for x
    x = 187,701,523.67/14,835.75
  6. Step 6: Final answer
    x = 12,651.97

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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.