Home / 26,676.75-36,817.17-15,498.75

Finding the Fourth Proportional to 26,676.75, 36,817.17 and 15,498.75

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Solution

The fourth proportional to 26,676.75, 36,817.17 and 15,498.75 is: 21,390.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,676.75 : 36,817.17 = 15,498.75 : x
  2. Step 2: Convert to fraction form
    26,676.75/36,817.17 = 15,498.75/x
  3. Step 3: Cross multiply
    26,676.75x = 36,817.17 × 15,498.75
  4. Step 4: Simplify right side
    26,676.75x = 570,620,113.54
  5. Step 5: Solve for x
    x = 570,620,113.54/26,676.75
  6. Step 6: Final answer
    x = 21,390.17

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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.