Home / 15,185.92-22,771.60-8,610.36

Finding the Fourth Proportional to 15,185.92, 22,771.60 and 8,610.36

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Solution

The fourth proportional to 15,185.92, 22,771.60 and 8,610.36 is: 12,911.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,185.92 : 22,771.60 = 8,610.36 : x
  2. Step 2: Convert to fraction form
    15,185.92/22,771.60 = 8,610.36/x
  3. Step 3: Cross multiply
    15,185.92x = 22,771.60 × 8,610.36
  4. Step 4: Simplify right side
    15,185.92x = 196,071,673.78
  5. Step 5: Solve for x
    x = 196,071,673.78/15,185.92
  6. Step 6: Final answer
    x = 12,911.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.