Home / 25,785.92-38,629.47-17,451.56

Finding the Fourth Proportional to 25,785.92, 38,629.47 and 17,451.56

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Solution

The fourth proportional to 25,785.92, 38,629.47 and 17,451.56 is: 26,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,785.92 : 38,629.47 = 17,451.56 : x
  2. Step 2: Convert to fraction form
    25,785.92/38,629.47 = 17,451.56/x
  3. Step 3: Cross multiply
    25,785.92x = 38,629.47 × 17,451.56
  4. Step 4: Simplify right side
    25,785.92x = 674,144,513.47
  5. Step 5: Solve for x
    x = 674,144,513.47/25,785.92
  6. Step 6: Final answer
    x = 26,143.90

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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.