Home / 26,922.10-40,426.35-18,195.70

Finding the Fourth Proportional to 26,922.10, 40,426.35 and 18,195.70

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Solution

The fourth proportional to 26,922.10, 40,426.35 and 18,195.70 is: 27,322.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,922.10 : 40,426.35 = 18,195.70 : x
  2. Step 2: Convert to fraction form
    26,922.10/40,426.35 = 18,195.70/x
  3. Step 3: Cross multiply
    26,922.10x = 40,426.35 × 18,195.70
  4. Step 4: Simplify right side
    26,922.10x = 735,585,736.70
  5. Step 5: Solve for x
    x = 735,585,736.70/26,922.10
  6. Step 6: Final answer
    x = 27,322.75

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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.