Home / 18,956.65-26,172.35-16,963.75

Finding the Fourth Proportional to 18,956.65, 26,172.35 and 16,963.75

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Solution

The fourth proportional to 18,956.65, 26,172.35 and 16,963.75 is: 23,420.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,956.65 : 26,172.35 = 16,963.75 : x
  2. Step 2: Convert to fraction form
    18,956.65/26,172.35 = 16,963.75/x
  3. Step 3: Cross multiply
    18,956.65x = 26,172.35 × 16,963.75
  4. Step 4: Simplify right side
    18,956.65x = 443,981,202.31
  5. Step 5: Solve for x
    x = 443,981,202.31/18,956.65
  6. Step 6: Final answer
    x = 23,420.87

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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.