Home / 16,540.64-22,825.92-8,987.04

Finding the Fourth Proportional to 16,540.64, 22,825.92 and 8,987.04

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Solution

The fourth proportional to 16,540.64, 22,825.92 and 8,987.04 is: 12,402.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,540.64 : 22,825.92 = 8,987.04 : x
  2. Step 2: Convert to fraction form
    16,540.64/22,825.92 = 8,987.04/x
  3. Step 3: Cross multiply
    16,540.64x = 22,825.92 × 8,987.04
  4. Step 4: Simplify right side
    16,540.64x = 205,137,456.08
  5. Step 5: Solve for x
    x = 205,137,456.08/16,540.64
  6. Step 6: Final answer
    x = 12,402.03

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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.