Home / 18,119.56-27,231.18-8,892.04

Finding the Fourth Proportional to 18,119.56, 27,231.18 and 8,892.04

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Solution

The fourth proportional to 18,119.56, 27,231.18 and 8,892.04 is: 13,363.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,119.56 : 27,231.18 = 8,892.04 : x
  2. Step 2: Convert to fraction form
    18,119.56/27,231.18 = 8,892.04/x
  3. Step 3: Cross multiply
    18,119.56x = 27,231.18 × 8,892.04
  4. Step 4: Simplify right side
    18,119.56x = 242,140,741.81
  5. Step 5: Solve for x
    x = 242,140,741.81/18,119.56
  6. Step 6: Final answer
    x = 13,363.50

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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.