Home / 18,876.16-26,049.24-11,806.60

Finding the Fourth Proportional to 18,876.16, 26,049.24 and 11,806.60

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Solution

The fourth proportional to 18,876.16, 26,049.24 and 11,806.60 is: 16,293.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,876.16 : 26,049.24 = 11,806.60 : x
  2. Step 2: Convert to fraction form
    18,876.16/26,049.24 = 11,806.60/x
  3. Step 3: Cross multiply
    18,876.16x = 26,049.24 × 11,806.60
  4. Step 4: Simplify right side
    18,876.16x = 307,552,956.98
  5. Step 5: Solve for x
    x = 307,552,956.98/18,876.16
  6. Step 6: Final answer
    x = 16,293.20

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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.