Home / 18,452.90-25,464.50-10,387.43

Finding the Fourth Proportional to 18,452.90, 25,464.50 and 10,387.43

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Solution

The fourth proportional to 18,452.90, 25,464.50 and 10,387.43 is: 14,334.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452.90 : 25,464.50 = 10,387.43 : x
  2. Step 2: Convert to fraction form
    18,452.90/25,464.50 = 10,387.43/x
  3. Step 3: Cross multiply
    18,452.90x = 25,464.50 × 10,387.43
  4. Step 4: Simplify right side
    18,452.90x = 264,510,722.96
  5. Step 5: Solve for x
    x = 264,510,722.96/18,452.90
  6. Step 6: Final answer
    x = 14,334.37

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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.