Home / 25,921.42-35,768.39-17,966.21

Finding the Fourth Proportional to 25,921.42, 35,768.39 and 17,966.21

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Solution

The fourth proportional to 25,921.42, 35,768.39 and 17,966.21 is: 24,791.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,921.42 : 35,768.39 = 17,966.21 : x
  2. Step 2: Convert to fraction form
    25,921.42/35,768.39 = 17,966.21/x
  3. Step 3: Cross multiply
    25,921.42x = 35,768.39 × 17,966.21
  4. Step 4: Simplify right side
    25,921.42x = 642,622,137.43
  5. Step 5: Solve for x
    x = 642,622,137.43/25,921.42
  6. Step 6: Final answer
    x = 24,791.16

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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.