Home / 18,771.08-25,923.48-16,241.05

Finding the Fourth Proportional to 18,771.08, 25,923.48 and 16,241.05

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Solution

The fourth proportional to 18,771.08, 25,923.48 and 16,241.05 is: 22,429.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,771.08 : 25,923.48 = 16,241.05 : x
  2. Step 2: Convert to fraction form
    18,771.08/25,923.48 = 16,241.05/x
  3. Step 3: Cross multiply
    18,771.08x = 25,923.48 × 16,241.05
  4. Step 4: Simplify right side
    18,771.08x = 421,024,405.24
  5. Step 5: Solve for x
    x = 421,024,405.24/18,771.08
  6. Step 6: Final answer
    x = 22,429.42

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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.