Home / 23,191.26-34,689.30-21,508.65

Finding the Fourth Proportional to 23,191.26, 34,689.30 and 21,508.65

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Solution

The fourth proportional to 23,191.26, 34,689.30 and 21,508.65 is: 32,172.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,191.26 : 34,689.30 = 21,508.65 : x
  2. Step 2: Convert to fraction form
    23,191.26/34,689.30 = 21,508.65/x
  3. Step 3: Cross multiply
    23,191.26x = 34,689.30 × 21,508.65
  4. Step 4: Simplify right side
    23,191.26x = 746,120,012.45
  5. Step 5: Solve for x
    x = 746,120,012.45/23,191.26
  6. Step 6: Final answer
    x = 32,172.47

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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.