Home / 18,412.12-27,583.62-9,184.60

Finding the Fourth Proportional to 18,412.12, 27,583.62 and 9,184.60

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Solution

The fourth proportional to 18,412.12, 27,583.62 and 9,184.60 is: 13,759.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,412.12 : 27,583.62 = 9,184.60 : x
  2. Step 2: Convert to fraction form
    18,412.12/27,583.62 = 9,184.60/x
  3. Step 3: Cross multiply
    18,412.12x = 27,583.62 × 9,184.60
  4. Step 4: Simplify right side
    18,412.12x = 253,344,516.25
  5. Step 5: Solve for x
    x = 253,344,516.25/18,412.12
  6. Step 6: Final answer
    x = 13,759.66

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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.