Home / 18,403.26-25,399.82-10,849.16

Finding the Fourth Proportional to 18,403.26, 25,399.82 and 10,849.16

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Solution

The fourth proportional to 18,403.26, 25,399.82 and 10,849.16 is: 14,973.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403.26 : 25,399.82 = 10,849.16 : x
  2. Step 2: Convert to fraction form
    18,403.26/25,399.82 = 10,849.16/x
  3. Step 3: Cross multiply
    18,403.26x = 25,399.82 × 10,849.16
  4. Step 4: Simplify right side
    18,403.26x = 275,566,529.91
  5. Step 5: Solve for x
    x = 275,566,529.91/18,403.26
  6. Step 6: Final answer
    x = 14,973.79

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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.