Home / 25,806.60-35,626.23-15,206.94

Finding the Fourth Proportional to 25,806.60, 35,626.23 and 15,206.94

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Solution

The fourth proportional to 25,806.60, 35,626.23 and 15,206.94 is: 20,993.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,806.60 : 35,626.23 = 15,206.94 : x
  2. Step 2: Convert to fraction form
    25,806.60/35,626.23 = 15,206.94/x
  3. Step 3: Cross multiply
    25,806.60x = 35,626.23 × 15,206.94
  4. Step 4: Simplify right side
    25,806.60x = 541,765,942.04
  5. Step 5: Solve for x
    x = 541,765,942.04/25,806.60
  6. Step 6: Final answer
    x = 20,993.31

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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.