Home / 18,511.08-25,536.42-11,434.92

Finding the Fourth Proportional to 18,511.08, 25,536.42 and 11,434.92

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Solution

The fourth proportional to 18,511.08, 25,536.42 and 11,434.92 is: 15,774.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,511.08 : 25,536.42 = 11,434.92 : x
  2. Step 2: Convert to fraction form
    18,511.08/25,536.42 = 11,434.92/x
  3. Step 3: Cross multiply
    18,511.08x = 25,536.42 × 11,434.92
  4. Step 4: Simplify right side
    18,511.08x = 292,006,919.79
  5. Step 5: Solve for x
    x = 292,006,919.79/18,511.08
  6. Step 6: Final answer
    x = 15,774.71

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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.