Home / 18,568.31-25,626.11-10,611.68

Finding the Fourth Proportional to 18,568.31, 25,626.11 and 10,611.68

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Solution

The fourth proportional to 18,568.31, 25,626.11 and 10,611.68 is: 14,645.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,568.31 : 25,626.11 = 10,611.68 : x
  2. Step 2: Convert to fraction form
    18,568.31/25,626.11 = 10,611.68/x
  3. Step 3: Cross multiply
    18,568.31x = 25,626.11 × 10,611.68
  4. Step 4: Simplify right side
    18,568.31x = 271,935,897.78
  5. Step 5: Solve for x
    x = 271,935,897.78/18,568.31
  6. Step 6: Final answer
    x = 14,645.17

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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.