Home / 18,328.80-27,500.40-7,233.60

Finding the Fourth Proportional to 18,328.80, 27,500.40 and 7,233.60

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Solution

The fourth proportional to 18,328.80, 27,500.40 and 7,233.60 is: 10,853.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328.80 : 27,500.40 = 7,233.60 : x
  2. Step 2: Convert to fraction form
    18,328.80/27,500.40 = 7,233.60/x
  3. Step 3: Cross multiply
    18,328.80x = 27,500.40 × 7,233.60
  4. Step 4: Simplify right side
    18,328.80x = 198,926,893.44
  5. Step 5: Solve for x
    x = 198,926,893.44/18,328.80
  6. Step 6: Final answer
    x = 10,853.24

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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.