Home / 25,348.20-38,043.90-11,329.80

Finding the Fourth Proportional to 25,348.20, 38,043.90 and 11,329.80

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Solution

The fourth proportional to 25,348.20, 38,043.90 and 11,329.80 is: 17,004.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,348.20 : 38,043.90 = 11,329.80 : x
  2. Step 2: Convert to fraction form
    25,348.20/38,043.90 = 11,329.80/x
  3. Step 3: Cross multiply
    25,348.20x = 38,043.90 × 11,329.80
  4. Step 4: Simplify right side
    25,348.20x = 431,029,778.22
  5. Step 5: Solve for x
    x = 431,029,778.22/25,348.20
  6. Step 6: Final answer
    x = 17,004.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.