Home / 18,749.92-25,876.70-11,196.19

Finding the Fourth Proportional to 18,749.92, 25,876.70 and 11,196.19

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Solution

The fourth proportional to 18,749.92, 25,876.70 and 11,196.19 is: 15,451.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749.92 : 25,876.70 = 11,196.19 : x
  2. Step 2: Convert to fraction form
    18,749.92/25,876.70 = 11,196.19/x
  3. Step 3: Cross multiply
    18,749.92x = 25,876.70 × 11,196.19
  4. Step 4: Simplify right side
    18,749.92x = 289,720,449.77
  5. Step 5: Solve for x
    x = 289,720,449.77/18,749.92
  6. Step 6: Final answer
    x = 15,451.82

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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.