Home / 18,231.03-27,346.51-4,380.03

Finding the Fourth Proportional to 18,231.03, 27,346.51 and 4,380.03

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Solution

The fourth proportional to 18,231.03, 27,346.51 and 4,380.03 is: 6,570.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231.03 : 27,346.51 = 4,380.03 : x
  2. Step 2: Convert to fraction form
    18,231.03/27,346.51 = 4,380.03/x
  3. Step 3: Cross multiply
    18,231.03x = 27,346.51 × 4,380.03
  4. Step 4: Simplify right side
    18,231.03x = 119,778,534.20
  5. Step 5: Solve for x
    x = 119,778,534.20/18,231.03
  6. Step 6: Final answer
    x = 6,570.04

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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.