Home / 18,375.41-25,355.43-10,416.09

Finding the Fourth Proportional to 18,375.41, 25,355.43 and 10,416.09

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Solution

The fourth proportional to 18,375.41, 25,355.43 and 10,416.09 is: 14,372.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,375.41 : 25,355.43 = 10,416.09 : x
  2. Step 2: Convert to fraction form
    18,375.41/25,355.43 = 10,416.09/x
  3. Step 3: Cross multiply
    18,375.41x = 25,355.43 × 10,416.09
  4. Step 4: Simplify right side
    18,375.41x = 264,104,535.95
  5. Step 5: Solve for x
    x = 264,104,535.95/18,375.41
  6. Step 6: Final answer
    x = 14,372.72

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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.