Home / 23,120.18-34,651.51-12,020.34

Finding the Fourth Proportional to 23,120.18, 34,651.51 and 12,020.34

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Solution

The fourth proportional to 23,120.18, 34,651.51 and 12,020.34 is: 18,015.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,120.18 : 34,651.51 = 12,020.34 : x
  2. Step 2: Convert to fraction form
    23,120.18/34,651.51 = 12,020.34/x
  3. Step 3: Cross multiply
    23,120.18x = 34,651.51 × 12,020.34
  4. Step 4: Simplify right side
    23,120.18x = 416,522,901.66
  5. Step 5: Solve for x
    x = 416,522,901.66/23,120.18
  6. Step 6: Final answer
    x = 18,015.56

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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.