Home / 14,072.56-21,046.80-12,523.60

Finding the Fourth Proportional to 14,072.56, 21,046.80 and 12,523.60

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Solution

The fourth proportional to 14,072.56, 21,046.80 and 12,523.60 is: 18,730.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.56 : 21,046.80 = 12,523.60 : x
  2. Step 2: Convert to fraction form
    14,072.56/21,046.80 = 12,523.60/x
  3. Step 3: Cross multiply
    14,072.56x = 21,046.80 × 12,523.60
  4. Step 4: Simplify right side
    14,072.56x = 263,581,704.48
  5. Step 5: Solve for x
    x = 263,581,704.48/14,072.56
  6. Step 6: Final answer
    x = 18,730.19

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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.