Home / 45,091.38-67,648.20-13,926.63

Finding the Fourth Proportional to 45,091.38, 67,648.20 and 13,926.63

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Solution

The fourth proportional to 45,091.38, 67,648.20 and 13,926.63 is: 20,893.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,091.38 : 67,648.20 = 13,926.63 : x
  2. Step 2: Convert to fraction form
    45,091.38/67,648.20 = 13,926.63/x
  3. Step 3: Cross multiply
    45,091.38x = 67,648.20 × 13,926.63
  4. Step 4: Simplify right side
    45,091.38x = 942,111,451.57
  5. Step 5: Solve for x
    x = 942,111,451.57/45,091.38
  6. Step 6: Final answer
    x = 20,893.38

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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.