Home / 26,869.96-37,080.48-15,691.96

Finding the Fourth Proportional to 26,869.96, 37,080.48 and 15,691.96

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Solution

The fourth proportional to 26,869.96, 37,080.48 and 15,691.96 is: 21,654.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,869.96 : 37,080.48 = 15,691.96 : x
  2. Step 2: Convert to fraction form
    26,869.96/37,080.48 = 15,691.96/x
  3. Step 3: Cross multiply
    26,869.96x = 37,080.48 × 15,691.96
  4. Step 4: Simplify right side
    26,869.96x = 581,865,408.94
  5. Step 5: Solve for x
    x = 581,865,408.94/26,869.96
  6. Step 6: Final answer
    x = 21,654.87

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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.