Home / 25,690.68-35,468.82-17,205.12

Finding the Fourth Proportional to 25,690.68, 35,468.82 and 17,205.12

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Solution

The fourth proportional to 25,690.68, 35,468.82 and 17,205.12 is: 23,753.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,690.68 : 35,468.82 = 17,205.12 : x
  2. Step 2: Convert to fraction form
    25,690.68/35,468.82 = 17,205.12/x
  3. Step 3: Cross multiply
    25,690.68x = 35,468.82 × 17,205.12
  4. Step 4: Simplify right side
    25,690.68x = 610,245,304.36
  5. Step 5: Solve for x
    x = 610,245,304.36/25,690.68
  6. Step 6: Final answer
    x = 23,753.57

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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.