Home / 26,500.12-36,531.64-18,517.56

Finding the Fourth Proportional to 26,500.12, 36,531.64 and 18,517.56

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Solution

The fourth proportional to 26,500.12, 36,531.64 and 18,517.56 is: 25,527.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,500.12 : 36,531.64 = 18,517.56 : x
  2. Step 2: Convert to fraction form
    26,500.12/36,531.64 = 18,517.56/x
  3. Step 3: Cross multiply
    26,500.12x = 36,531.64 × 18,517.56
  4. Step 4: Simplify right side
    26,500.12x = 676,476,835.60
  5. Step 5: Solve for x
    x = 676,476,835.60/26,500.12
  6. Step 6: Final answer
    x = 25,527.31

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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.