Home / 26,500.05-36,562.09-15,885.81

Finding the Fourth Proportional to 26,500.05, 36,562.09 and 15,885.81

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Solution

The fourth proportional to 26,500.05, 36,562.09 and 15,885.81 is: 21,917.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,500.05 : 36,562.09 = 15,885.81 : x
  2. Step 2: Convert to fraction form
    26,500.05/36,562.09 = 15,885.81/x
  3. Step 3: Cross multiply
    26,500.05x = 36,562.09 × 15,885.81
  4. Step 4: Simplify right side
    26,500.05x = 580,818,414.94
  5. Step 5: Solve for x
    x = 580,818,414.94/26,500.05
  6. Step 6: Final answer
    x = 21,917.63

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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.