Home / 13,091.84-18,067.23-7,503.92

Finding the Fourth Proportional to 13,091.84, 18,067.23 and 7,503.92

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Solution

The fourth proportional to 13,091.84, 18,067.23 and 7,503.92 is: 10,355.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,091.84 : 18,067.23 = 7,503.92 : x
  2. Step 2: Convert to fraction form
    13,091.84/18,067.23 = 7,503.92/x
  3. Step 3: Cross multiply
    13,091.84x = 18,067.23 × 7,503.92
  4. Step 4: Simplify right side
    13,091.84x = 135,575,048.54
  5. Step 5: Solve for x
    x = 135,575,048.54/13,091.84
  6. Step 6: Final answer
    x = 10,355.69

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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.