Home / 26,832.40-40,210.20-18,614.80

Finding the Fourth Proportional to 26,832.40, 40,210.20 and 18,614.80

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Solution

The fourth proportional to 26,832.40, 40,210.20 and 18,614.80 is: 27,895.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,832.40 : 40,210.20 = 18,614.80 : x
  2. Step 2: Convert to fraction form
    26,832.40/40,210.20 = 18,614.80/x
  3. Step 3: Cross multiply
    26,832.40x = 40,210.20 × 18,614.80
  4. Step 4: Simplify right side
    26,832.40x = 748,504,830.96
  5. Step 5: Solve for x
    x = 748,504,830.96/26,832.40
  6. Step 6: Final answer
    x = 27,895.56

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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.