Home / 15,906.13-21,951.45-8,832.67

Finding the Fourth Proportional to 15,906.13, 21,951.45 and 8,832.67

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Solution

The fourth proportional to 15,906.13, 21,951.45 and 8,832.67 is: 12,189.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,906.13 : 21,951.45 = 8,832.67 : x
  2. Step 2: Convert to fraction form
    15,906.13/21,951.45 = 8,832.67/x
  3. Step 3: Cross multiply
    15,906.13x = 21,951.45 × 8,832.67
  4. Step 4: Simplify right side
    15,906.13x = 193,889,913.87
  5. Step 5: Solve for x
    x = 193,889,913.87/15,906.13
  6. Step 6: Final answer
    x = 12,189.63

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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.