Home / 25,651.92-35,397.83-15,039.50

Finding the Fourth Proportional to 25,651.92, 35,397.83 and 15,039.50

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Solution

The fourth proportional to 25,651.92, 35,397.83 and 15,039.50 is: 20,753.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,651.92 : 35,397.83 = 15,039.50 : x
  2. Step 2: Convert to fraction form
    25,651.92/35,397.83 = 15,039.50/x
  3. Step 3: Cross multiply
    25,651.92x = 35,397.83 × 15,039.50
  4. Step 4: Simplify right side
    25,651.92x = 532,365,589.09
  5. Step 5: Solve for x
    x = 532,365,589.09/25,651.92
  6. Step 6: Final answer
    x = 20,753.44

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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.