Home / 18,566.90-25,615.60-12,196.92

Finding the Fourth Proportional to 18,566.90, 25,615.60 and 12,196.92

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Solution

The fourth proportional to 18,566.90, 25,615.60 and 12,196.92 is: 16,827.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,566.90 : 25,615.60 = 12,196.92 : x
  2. Step 2: Convert to fraction form
    18,566.90/25,615.60 = 12,196.92/x
  3. Step 3: Cross multiply
    18,566.90x = 25,615.60 × 12,196.92
  4. Step 4: Simplify right side
    18,566.90x = 312,431,234.89
  5. Step 5: Solve for x
    x = 312,431,234.89/18,566.90
  6. Step 6: Final answer
    x = 16,827.33

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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.