Home / 13,334.23-18,401.39-7,365.77

Finding the Fourth Proportional to 13,334.23, 18,401.39 and 7,365.77

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Solution

The fourth proportional to 13,334.23, 18,401.39 and 7,365.77 is: 10,164.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.23 : 18,401.39 = 7,365.77 : x
  2. Step 2: Convert to fraction form
    13,334.23/18,401.39 = 7,365.77/x
  3. Step 3: Cross multiply
    13,334.23x = 18,401.39 × 7,365.77
  4. Step 4: Simplify right side
    13,334.23x = 135,540,369.59
  5. Step 5: Solve for x
    x = 135,540,369.59/13,334.23
  6. Step 6: Final answer
    x = 10,164.85

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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.