Home / 14,836.25-20,464.80-9,172.73

Finding the Fourth Proportional to 14,836.25, 20,464.80 and 9,172.73

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Solution

The fourth proportional to 14,836.25, 20,464.80 and 9,172.73 is: 12,652.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,836.25 : 20,464.80 = 9,172.73 : x
  2. Step 2: Convert to fraction form
    14,836.25/20,464.80 = 9,172.73/x
  3. Step 3: Cross multiply
    14,836.25x = 20,464.80 × 9,172.73
  4. Step 4: Simplify right side
    14,836.25x = 187,718,084.90
  5. Step 5: Solve for x
    x = 187,718,084.90/14,836.25
  6. Step 6: Final answer
    x = 12,652.66

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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.