Home / 15,906.24-21,950.66-8,832.68

Finding the Fourth Proportional to 15,906.24, 21,950.66 and 8,832.68

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Solution

The fourth proportional to 15,906.24, 21,950.66 and 8,832.68 is: 12,189.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,906.24 : 21,950.66 = 8,832.68 : x
  2. Step 2: Convert to fraction form
    15,906.24/21,950.66 = 8,832.68/x
  3. Step 3: Cross multiply
    15,906.24x = 21,950.66 × 8,832.68
  4. Step 4: Simplify right side
    15,906.24x = 193,883,155.57
  5. Step 5: Solve for x
    x = 193,883,155.57/15,906.24
  6. Step 6: Final answer
    x = 12,189.13

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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.