Home / 18,568.90-25,625.19-10,611.42

Finding the Fourth Proportional to 18,568.90, 25,625.19 and 10,611.42

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Solution

The fourth proportional to 18,568.90, 25,625.19 and 10,611.42 is: 14,643.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,568.90 : 25,625.19 = 10,611.42 : x
  2. Step 2: Convert to fraction form
    18,568.90/25,625.19 = 10,611.42/x
  3. Step 3: Cross multiply
    18,568.90x = 25,625.19 × 10,611.42
  4. Step 4: Simplify right side
    18,568.90x = 271,919,653.67
  5. Step 5: Solve for x
    x = 271,919,653.67/18,568.90
  6. Step 6: Final answer
    x = 14,643.82

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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.