Home / 18,441.36-25,438.59-11,362.77

Finding the Fourth Proportional to 18,441.36, 25,438.59 and 11,362.77

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Solution

The fourth proportional to 18,441.36, 25,438.59 and 11,362.77 is: 15,674.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441.36 : 25,438.59 = 11,362.77 : x
  2. Step 2: Convert to fraction form
    18,441.36/25,438.59 = 11,362.77/x
  3. Step 3: Cross multiply
    18,441.36x = 25,438.59 × 11,362.77
  4. Step 4: Simplify right side
    18,441.36x = 289,052,847.29
  5. Step 5: Solve for x
    x = 289,052,847.29/18,441.36
  6. Step 6: Final answer
    x = 15,674.16

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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.