Home / 15,906.18-21,950.42-8,832.59

Finding the Fourth Proportional to 15,906.18, 21,950.42 and 8,832.59

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Solution

The fourth proportional to 15,906.18, 21,950.42 and 8,832.59 is: 12,188.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,906.18 : 21,950.42 = 8,832.59 : x
  2. Step 2: Convert to fraction form
    15,906.18/21,950.42 = 8,832.59/x
  3. Step 3: Cross multiply
    15,906.18x = 21,950.42 × 8,832.59
  4. Step 4: Simplify right side
    15,906.18x = 193,878,906.27
  5. Step 5: Solve for x
    x = 193,878,906.27/15,906.18
  6. Step 6: Final answer
    x = 12,188.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.