Home / 18,482.08-25,506.32-11,408.62

Finding the Fourth Proportional to 18,482.08, 25,506.32 and 11,408.62

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Solution

The fourth proportional to 18,482.08, 25,506.32 and 11,408.62 is: 15,744.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,482.08 : 25,506.32 = 11,408.62 : x
  2. Step 2: Convert to fraction form
    18,482.08/25,506.32 = 11,408.62/x
  3. Step 3: Cross multiply
    18,482.08x = 25,506.32 × 11,408.62
  4. Step 4: Simplify right side
    18,482.08x = 290,991,912.48
  5. Step 5: Solve for x
    x = 290,991,912.48/18,482.08
  6. Step 6: Final answer
    x = 15,744.54

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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.