Home / 19,149.43-26,418.67-14,125.75

Finding the Fourth Proportional to 19,149.43, 26,418.67 and 14,125.75

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Solution

The fourth proportional to 19,149.43, 26,418.67 and 14,125.75 is: 19,487.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,149.43 : 26,418.67 = 14,125.75 : x
  2. Step 2: Convert to fraction form
    19,149.43/26,418.67 = 14,125.75/x
  3. Step 3: Cross multiply
    19,149.43x = 26,418.67 × 14,125.75
  4. Step 4: Simplify right side
    19,149.43x = 373,183,527.75
  5. Step 5: Solve for x
    x = 373,183,527.75/19,149.43
  6. Step 6: Final answer
    x = 19,487.97

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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.