Home / 13,350.80-18,427.90-8,045.94

Finding the Fourth Proportional to 13,350.80, 18,427.90 and 8,045.94

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Solution

The fourth proportional to 13,350.80, 18,427.90 and 8,045.94 is: 11,105.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350.80 : 18,427.90 = 8,045.94 : x
  2. Step 2: Convert to fraction form
    13,350.80/18,427.90 = 8,045.94/x
  3. Step 3: Cross multiply
    13,350.80x = 18,427.90 × 8,045.94
  4. Step 4: Simplify right side
    13,350.80x = 148,269,777.73
  5. Step 5: Solve for x
    x = 148,269,777.73/13,350.80
  6. Step 6: Final answer
    x = 11,105.68

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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.