Home / 26,188.25-39,251.15-18,247.76

Finding the Fourth Proportional to 26,188.25, 39,251.15 and 18,247.76

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Solution

The fourth proportional to 26,188.25, 39,251.15 and 18,247.76 is: 27,349.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,188.25 : 39,251.15 = 18,247.76 : x
  2. Step 2: Convert to fraction form
    26,188.25/39,251.15 = 18,247.76/x
  3. Step 3: Cross multiply
    26,188.25x = 39,251.15 × 18,247.76
  4. Step 4: Simplify right side
    26,188.25x = 716,245,493.05
  5. Step 5: Solve for x
    x = 716,245,493.05/26,188.25
  6. Step 6: Final answer
    x = 27,349.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.