Home / 23,195-31,979.20-18,941.56

Finding the Fourth Proportional to 23,195, 31,979.20 and 18,941.56

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Solution

The fourth proportional to 23,195, 31,979.20 and 18,941.56 is: 26,114.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,195 : 31,979.20 = 18,941.56 : x
  2. Step 2: Convert to fraction form
    23,195/31,979.20 = 18,941.56/x
  3. Step 3: Cross multiply
    23,195x = 31,979.20 × 18,941.56
  4. Step 4: Simplify right side
    23,195x = 605,735,935.55
  5. Step 5: Solve for x
    x = 605,735,935.55/23,195
  6. Step 6: Final answer
    x = 26,114.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.