Home / 18,399.87-25,391.13-10,441.62

Finding the Fourth Proportional to 18,399.87, 25,391.13 and 10,441.62

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Solution

The fourth proportional to 18,399.87, 25,391.13 and 10,441.62 is: 14,409.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,399.87 : 25,391.13 = 10,441.62 : x
  2. Step 2: Convert to fraction form
    18,399.87/25,391.13 = 10,441.62/x
  3. Step 3: Cross multiply
    18,399.87x = 25,391.13 × 10,441.62
  4. Step 4: Simplify right side
    18,399.87x = 265,124,530.83
  5. Step 5: Solve for x
    x = 265,124,530.83/18,399.87
  6. Step 6: Final answer
    x = 14,409.04

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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.