Home / 26,456.72-36,511.25-15,126.21

Finding the Fourth Proportional to 26,456.72, 36,511.25 and 15,126.21

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Solution

The fourth proportional to 26,456.72, 36,511.25 and 15,126.21 is: 20,874.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,456.72 : 36,511.25 = 15,126.21 : x
  2. Step 2: Convert to fraction form
    26,456.72/36,511.25 = 15,126.21/x
  3. Step 3: Cross multiply
    26,456.72x = 36,511.25 × 15,126.21
  4. Step 4: Simplify right side
    26,456.72x = 552,276,759.23
  5. Step 5: Solve for x
    x = 552,276,759.23/26,456.72
  6. Step 6: Final answer
    x = 20,874.73

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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.