Home / 16,638.22-22,960.80-9,084.62

Finding the Fourth Proportional to 16,638.22, 22,960.80 and 9,084.62

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Solution

The fourth proportional to 16,638.22, 22,960.80 and 9,084.62 is: 12,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,638.22 : 22,960.80 = 9,084.62 : x
  2. Step 2: Convert to fraction form
    16,638.22/22,960.80 = 9,084.62/x
  3. Step 3: Cross multiply
    16,638.22x = 22,960.80 × 9,084.62
  4. Step 4: Simplify right side
    16,638.22x = 208,589,982.67
  5. Step 5: Solve for x
    x = 208,589,982.67/16,638.22
  6. Step 6: Final answer
    x = 12,536.80

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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.