Home / 18,409.53-25,408.45-10,855.41

Finding the Fourth Proportional to 18,409.53, 25,408.45 and 10,855.41

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Solution

The fourth proportional to 18,409.53, 25,408.45 and 10,855.41 is: 14,982.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,409.53 : 25,408.45 = 10,855.41 : x
  2. Step 2: Convert to fraction form
    18,409.53/25,408.45 = 10,855.41/x
  3. Step 3: Cross multiply
    18,409.53x = 25,408.45 × 10,855.41
  4. Step 4: Simplify right side
    18,409.53x = 275,819,145.24
  5. Step 5: Solve for x
    x = 275,819,145.24/18,409.53
  6. Step 6: Final answer
    x = 14,982.41

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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.