Home / 17,651.90-24,381.18-13,195.43

Finding the Fourth Proportional to 17,651.90, 24,381.18 and 13,195.43

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Solution

The fourth proportional to 17,651.90, 24,381.18 and 13,195.43 is: 18,225.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,651.90 : 24,381.18 = 13,195.43 : x
  2. Step 2: Convert to fraction form
    17,651.90/24,381.18 = 13,195.43/x
  3. Step 3: Cross multiply
    17,651.90x = 24,381.18 × 13,195.43
  4. Step 4: Simplify right side
    17,651.90x = 321,720,154.99
  5. Step 5: Solve for x
    x = 321,720,154.99/17,651.90
  6. Step 6: Final answer
    x = 18,225.81

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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.