Home / 18,052.80-27,089.55-9,732.78

Finding the Fourth Proportional to 18,052.80, 27,089.55 and 9,732.78

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Solution

The fourth proportional to 18,052.80, 27,089.55 and 9,732.78 is: 14,604.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,052.80 : 27,089.55 = 9,732.78 : x
  2. Step 2: Convert to fraction form
    18,052.80/27,089.55 = 9,732.78/x
  3. Step 3: Cross multiply
    18,052.80x = 27,089.55 × 9,732.78
  4. Step 4: Simplify right side
    18,052.80x = 263,656,630.45
  5. Step 5: Solve for x
    x = 263,656,630.45/18,052.80
  6. Step 6: Final answer
    x = 14,604.75

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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.