Home / 23,367.31-34,872.12-20,874.13

Finding the Fourth Proportional to 23,367.31, 34,872.12 and 20,874.13

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Solution

The fourth proportional to 23,367.31, 34,872.12 and 20,874.13 is: 31,151.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,367.31 : 34,872.12 = 20,874.13 : x
  2. Step 2: Convert to fraction form
    23,367.31/34,872.12 = 20,874.13/x
  3. Step 3: Cross multiply
    23,367.31x = 34,872.12 × 20,874.13
  4. Step 4: Simplify right side
    23,367.31x = 727,925,079.08
  5. Step 5: Solve for x
    x = 727,925,079.08/23,367.31
  6. Step 6: Final answer
    x = 31,151.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.