Home / 18,675.26-25,771.20-10,177.21

Finding the Fourth Proportional to 18,675.26, 25,771.20 and 10,177.21

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Solution

The fourth proportional to 18,675.26, 25,771.20 and 10,177.21 is: 14,044.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,675.26 : 25,771.20 = 10,177.21 : x
  2. Step 2: Convert to fraction form
    18,675.26/25,771.20 = 10,177.21/x
  3. Step 3: Cross multiply
    18,675.26x = 25,771.20 × 10,177.21
  4. Step 4: Simplify right side
    18,675.26x = 262,278,734.61
  5. Step 5: Solve for x
    x = 262,278,734.61/18,675.26
  6. Step 6: Final answer
    x = 14,044.18

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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.