Home / 25,375.20-38,135.70-22,167.60

Finding the Fourth Proportional to 25,375.20, 38,135.70 and 22,167.60

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Solution

The fourth proportional to 25,375.20, 38,135.70 and 22,167.60 is: 33,315.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,375.20 : 38,135.70 = 22,167.60 : x
  2. Step 2: Convert to fraction form
    25,375.20/38,135.70 = 22,167.60/x
  3. Step 3: Cross multiply
    25,375.20x = 38,135.70 × 22,167.60
  4. Step 4: Simplify right side
    25,375.20x = 845,376,943.32
  5. Step 5: Solve for x
    x = 845,376,943.32/25,375.20
  6. Step 6: Final answer
    x = 33,315.08

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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.