Home / 18,124.20-27,164.70-9,354.60

Finding the Fourth Proportional to 18,124.20, 27,164.70 and 9,354.60

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Solution

The fourth proportional to 18,124.20, 27,164.70 and 9,354.60 is: 14,020.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,124.20 : 27,164.70 = 9,354.60 : x
  2. Step 2: Convert to fraction form
    18,124.20/27,164.70 = 9,354.60/x
  3. Step 3: Cross multiply
    18,124.20x = 27,164.70 × 9,354.60
  4. Step 4: Simplify right side
    18,124.20x = 254,114,902.62
  5. Step 5: Solve for x
    x = 254,114,902.62/18,124.20
  6. Step 6: Final answer
    x = 14,020.75

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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.