Home / 18,441.80-25,451.97-11,270.24

Finding the Fourth Proportional to 18,441.80, 25,451.97 and 11,270.24

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Solution

The fourth proportional to 18,441.80, 25,451.97 and 11,270.24 is: 15,554.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441.80 : 25,451.97 = 11,270.24 : x
  2. Step 2: Convert to fraction form
    18,441.80/25,451.97 = 11,270.24/x
  3. Step 3: Cross multiply
    18,441.80x = 25,451.97 × 11,270.24
  4. Step 4: Simplify right side
    18,441.80x = 286,849,810.37
  5. Step 5: Solve for x
    x = 286,849,810.37/18,441.80
  6. Step 6: Final answer
    x = 15,554.33

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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.