Home / 26,511.54-39,761.16-11,712.39

Finding the Fourth Proportional to 26,511.54, 39,761.16 and 11,712.39

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Solution

The fourth proportional to 26,511.54, 39,761.16 and 11,712.39 is: 17,565.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,511.54 : 39,761.16 = 11,712.39 : x
  2. Step 2: Convert to fraction form
    26,511.54/39,761.16 = 11,712.39/x
  3. Step 3: Cross multiply
    26,511.54x = 39,761.16 × 11,712.39
  4. Step 4: Simplify right side
    26,511.54x = 465,698,212.77
  5. Step 5: Solve for x
    x = 465,698,212.77/26,511.54
  6. Step 6: Final answer
    x = 17,565.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.