Home / 23,120.51-34,680.78-17,863.20

Finding the Fourth Proportional to 23,120.51, 34,680.78 and 17,863.20

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Solution

The fourth proportional to 23,120.51, 34,680.78 and 17,863.20 is: 26,794.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,120.51 : 34,680.78 = 17,863.20 : x
  2. Step 2: Convert to fraction form
    23,120.51/34,680.78 = 17,863.20/x
  3. Step 3: Cross multiply
    23,120.51x = 34,680.78 × 17,863.20
  4. Step 4: Simplify right side
    23,120.51x = 619,509,709.30
  5. Step 5: Solve for x
    x = 619,509,709.30/23,120.51
  6. Step 6: Final answer
    x = 26,794.82

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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.