Home / 13,355.93-18,414.44-8,567.43

Finding the Fourth Proportional to 13,355.93, 18,414.44 and 8,567.43

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Solution

The fourth proportional to 13,355.93, 18,414.44 and 8,567.43 is: 11,812.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355.93 : 18,414.44 = 8,567.43 : x
  2. Step 2: Convert to fraction form
    13,355.93/18,414.44 = 8,567.43/x
  3. Step 3: Cross multiply
    13,355.93x = 18,414.44 × 8,567.43
  4. Step 4: Simplify right side
    13,355.93x = 157,764,382.85
  5. Step 5: Solve for x
    x = 157,764,382.85/13,355.93
  6. Step 6: Final answer
    x = 11,812.31

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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.