Home / 14,729.82-20,338.20-9,072.36

Finding the Fourth Proportional to 14,729.82, 20,338.20 and 9,072.36

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Solution

The fourth proportional to 14,729.82, 20,338.20 and 9,072.36 is: 12,526.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,729.82 : 20,338.20 = 9,072.36 : x
  2. Step 2: Convert to fraction form
    14,729.82/20,338.20 = 9,072.36/x
  3. Step 3: Cross multiply
    14,729.82x = 20,338.20 × 9,072.36
  4. Step 4: Simplify right side
    14,729.82x = 184,515,472.15
  5. Step 5: Solve for x
    x = 184,515,472.15/14,729.82
  6. Step 6: Final answer
    x = 12,526.66

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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.