Home / 26,513.89-39,770.85-7,793.93

Finding the Fourth Proportional to 26,513.89, 39,770.85 and 7,793.93

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Solution

The fourth proportional to 26,513.89, 39,770.85 and 7,793.93 is: 11,690.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,513.89 : 39,770.85 = 7,793.93 : x
  2. Step 2: Convert to fraction form
    26,513.89/39,770.85 = 7,793.93/x
  3. Step 3: Cross multiply
    26,513.89x = 39,770.85 × 7,793.93
  4. Step 4: Simplify right side
    26,513.89x = 309,971,220.94
  5. Step 5: Solve for x
    x = 309,971,220.94/26,513.89
  6. Step 6: Final answer
    x = 11,690.90

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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.