Home / 26,788.23-40,189.04-18,906.13

Finding the Fourth Proportional to 26,788.23, 40,189.04 and 18,906.13

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Solution

The fourth proportional to 26,788.23, 40,189.04 and 18,906.13 is: 28,363.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,788.23 : 40,189.04 = 18,906.13 : x
  2. Step 2: Convert to fraction form
    26,788.23/40,189.04 = 18,906.13/x
  3. Step 3: Cross multiply
    26,788.23x = 40,189.04 × 18,906.13
  4. Step 4: Simplify right side
    26,788.23x = 759,819,241.42
  5. Step 5: Solve for x
    x = 759,819,241.42/26,788.23
  6. Step 6: Final answer
    x = 28,363.92

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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.