Home / 25,815.44-35,629.34-14,489.53

Finding the Fourth Proportional to 25,815.44, 35,629.34 and 14,489.53

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Solution

The fourth proportional to 25,815.44, 35,629.34 and 14,489.53 is: 19,997.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,815.44 : 35,629.34 = 14,489.53 : x
  2. Step 2: Convert to fraction form
    25,815.44/35,629.34 = 14,489.53/x
  3. Step 3: Cross multiply
    25,815.44x = 35,629.34 × 14,489.53
  4. Step 4: Simplify right side
    25,815.44x = 516,252,229.29
  5. Step 5: Solve for x
    x = 516,252,229.29/25,815.44
  6. Step 6: Final answer
    x = 19,997.81

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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.