Home / 27,611.40-38,083.68-16,997.16

Finding the Fourth Proportional to 27,611.40, 38,083.68 and 16,997.16

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Solution

The fourth proportional to 27,611.40, 38,083.68 and 16,997.16 is: 23,443.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,611.40 : 38,083.68 = 16,997.16 : x
  2. Step 2: Convert to fraction form
    27,611.40/38,083.68 = 16,997.16/x
  3. Step 3: Cross multiply
    27,611.40x = 38,083.68 × 16,997.16
  4. Step 4: Simplify right side
    27,611.40x = 647,314,402.35
  5. Step 5: Solve for x
    x = 647,314,402.35/27,611.40
  6. Step 6: Final answer
    x = 23,443.74

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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.