Home / 15,920.82-23,881.20-4,234.04

Finding the Fourth Proportional to 15,920.82, 23,881.20 and 4,234.04

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Solution

The fourth proportional to 15,920.82, 23,881.20 and 4,234.04 is: 6,351.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,920.82 : 23,881.20 = 4,234.04 : x
  2. Step 2: Convert to fraction form
    15,920.82/23,881.20 = 4,234.04/x
  3. Step 3: Cross multiply
    15,920.82x = 23,881.20 × 4,234.04
  4. Step 4: Simplify right side
    15,920.82x = 101,113,836.64
  5. Step 5: Solve for x
    x = 101,113,836.64/15,920.82
  6. Step 6: Final answer
    x = 6,351.05

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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.