Home / 18,449.04-25,480.92-13,435.68

Finding the Fourth Proportional to 18,449.04, 25,480.92 and 13,435.68

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Solution

The fourth proportional to 18,449.04, 25,480.92 and 13,435.68 is: 18,556.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,449.04 : 25,480.92 = 13,435.68 : x
  2. Step 2: Convert to fraction form
    18,449.04/25,480.92 = 13,435.68/x
  3. Step 3: Cross multiply
    18,449.04x = 25,480.92 × 13,435.68
  4. Step 4: Simplify right side
    18,449.04x = 342,353,487.23
  5. Step 5: Solve for x
    x = 342,353,487.23/18,449.04
  6. Step 6: Final answer
    x = 18,556.71

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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.