Home / 13,441.85-18,550.77-7,473.62

Finding the Fourth Proportional to 13,441.85, 18,550.77 and 7,473.62

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Solution

The fourth proportional to 13,441.85, 18,550.77 and 7,473.62 is: 10,314.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.85 : 18,550.77 = 7,473.62 : x
  2. Step 2: Convert to fraction form
    13,441.85/18,550.77 = 7,473.62/x
  3. Step 3: Cross multiply
    13,441.85x = 18,550.77 × 7,473.62
  4. Step 4: Simplify right side
    13,441.85x = 138,641,361.73
  5. Step 5: Solve for x
    x = 138,641,361.73/13,441.85
  6. Step 6: Final answer
    x = 10,314.16

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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.