Home / 25,806.20-35,615.86-15,196.82

Finding the Fourth Proportional to 25,806.20, 35,615.86 and 15,196.82

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Solution

The fourth proportional to 25,806.20, 35,615.86 and 15,196.82 is: 20,973.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,806.20 : 35,615.86 = 15,196.82 : x
  2. Step 2: Convert to fraction form
    25,806.20/35,615.86 = 15,196.82/x
  3. Step 3: Cross multiply
    25,806.20x = 35,615.86 × 15,196.82
  4. Step 4: Simplify right side
    25,806.20x = 541,247,813.57
  5. Step 5: Solve for x
    x = 541,247,813.57/25,806.20
  6. Step 6: Final answer
    x = 20,973.56

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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.